Natural Theology

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Notes DB 92: Physical Theology II - 2025

Sunday 15 June 2025 - Saturday 21 June 2025

[page 170]

Sunday 15 June 2025

Theological wars between Israel and Iran continue. Israel boasts that Tehran is burning while Israel continues its genocide in Gaza and the gods of evil must be rejoicing in heaven as people continue to kill one another; under their direction absolute power leads to absolute murder. It is all in our hands and the truth is the only answer. What should I be doing about this? I stick to my course, the conclusion of my book, the political consequences of physical theology: the cosmic Bible.

[page 218]

Phone: Space-time enables the individualization of particles creating degrees of freedom independent of the superpositions of quantum mechanics. Ie it is clear that the primary source of individualization is the Pauli exclusion, that comes from spin ½ and since electrons communicate through photons it seems clear that photons have got something to do with exclusion. A photon spin 1 is capable of turning an electron ‘upside down’, and so contribute to their mutual independence. What then about two electrons in a singlet state behaving like a sin zero boson (in superconduction). Here is a whole new can of works to think about. The microcosm of electrodynamcs comprises electron, positrons and photons.

What can we say about trifurcation, which yields quarks with three colour charges with spin ½ and electric charges ⅓ and ⅔.

Can a positron turn into a proton? How much are we to believe about the quantum chromodynamics treatment of hadrons developed by Gross, Politzer and Wilczek? Quantum chromodynamics - Wikipedia

The fundamental symmetry in the universe is that all interactions are measured by the quantum of action which is a logical operation measured as units of angular momentum in Minkowski space but in Hilbert space they are measured by logical operations (ie superpositions, additions) of [orthonormal vectors] of unlimited complexity.

[page 219]

I am always out of my depth in both physics and theology so I have no choice but to swim. My problem now is the relationship between the representation of a photon in Hilbert space and its representation in Minkowski space. The answer appears to be that although we are sensitive to photons with our eyes and they burn our skin if we are naked in the Sun for too long, photons do not exist in spacetime at all. The unit of distance ds in Minkowski space obeys the equation ds2 = dr2 + c2dt2. Since photons move at the speed of light, we can see that if a photon travels in spacetime for one second, r = c so ds2 = c2 - c2 = 0, and since this is true for all values of t and r, photons never appear in spacetime and the spacetime interval between their creation and their annihilation is zero. They occupy part of the spacetime world which is similar to Hilbert space, a mathematical creation in which there is neither space nor time.

They are therefore a window on Hilbert space, and they carry some interesting details. First, they have energy. We have speculated that this energy comes from the zero-sum bifurcation of naked gravitation, and it can have any value between almost zero and almost infinity.

Their other property is polarization.

The world is a book and we start reading it [and learning it] as soon as we are born.

Monday 16 June 2025

[page 219]

Here we go again, thinking about the birth of the universe from Aquinas’s god, the only reliable “data” available in the imperial Roman Catholic Church, an eternal, omnipotent, absolutely simple source (therefore completely ignorant) constrained only by the impossibility of the impossible. My current mantra, identifying this entity with naked gravitation the divine feeling that orients my world. Working no to establish Minkowski space as the outcome of interactions between fermions and bosons. Drafting a section on the massless photon, a window on the underlying Hilbert space existing before the advent of space and time. Now we turn to massive fermions and the origin of the exclusion principle rooted somehow in the evolution of interactions between photons and electrons.

Begin with Qiu-Hong Hu’s essay on the nature of the electron, beginning with the hypothesis that the mass of fermions points to internal process analogous to the quantum chromodynamic model of the proton described by the Lagrangian published by Wilczek. But first check my money supply. Qiu-Hong Hu (2005_12_29): The Nature of the Electron

[The problem outlined by Feynman:]

Why is it that particles with half-integral spin are Fermi particles whose amplitudes add with a minus sign, whereas particles with integral spin are Bose particles whose amplitudes add with a positive sign? We apologize for the fact that we cannot give you an elementary explanation. An argument has been

[page 221]

worked out by Pauli from complicated arguments of quantum field theory and relativity. He has shown that these two must necessarily go together but we have not been able to find a way of reproducing his arguments at an elementary level. It appears to be one of the few places in physics where there is a rule that can be stated very simply, but for which no one has found a simple explanation. The explanation is deep in relativistic quantum mechanics. This probably means that we do not hae a complete understanding of the fundamental principle inolved. For the moment you just have to take it as one of the rules of the world.

Indistinguishable alternatives add amplitudes and then calculate probability by squaring the probability amplitudes. In other words, the real action is going on in the Hilbert quantum realm.

Then the amplitude for an event is the sum of the two interfering amplitudes, but interestingly enough the interference is in some cases with the same phase and in others with the opposite phase.

For example: the amplitude for particle a to enter counter 1 and particle b to enter counter 2, f(θ), probability |f(θ)|2, versus a → 2, b → 1, we would expect amplitude f(π − θ) and probability |f(π − θ)|2.

These are identical and indistinguishable, but what if one is f(θ) and the other is ef(π − θ), and e may be + or − 1, exchange goes with same sign or opposite sign. Bose = +, Fermi = −

Bose: photon, mesons and graviton; Fermi: electron, muon, neutrinos. α particle is Bose

[page 222]

Composite body with half integral spin, Fermi; integral spin, Bose.

So tomorrow we use the inversion of Hilbert and Minkowski to explain the spin-statistics theorem [using the heuristic of simplicity] Maybe. I wish. This will be the heart of physical_theology_May2025. Now have some Milo and culture.

[financial calculation]

Tuesday 17 June 2025

Physical_theology_May2025 is taking a long time but gaining depth. Now quote Feynman, review Duck and Sudarshan and then put forward Hilbert first scheme using Zurek explanation in Hilbert tensor product space to explain exclusion without relativity, using alternative view that relativity (Minkowski space) is a consequence of quantum mechanics, a confidence building work program that gets me back on a even keel [ie has Zurek’s idea that unitary symmetry must be broken to enable communication got anything to do with Pauli exclusion?]. Wojciech Hubert Zurek (2008): Quantum origin of quantum jumps: breaking of unitary symmetry induced by information transfer and the transition from quantum to classical

Hopefully this work will add justification to my dream to put Hilbert space first as the route to unifying theology and physics.

What have fermions and bosons got to do with world affairs? They are part of the universe and support the elimination of imperialism by establishing localism.

[page 223]

I sit here in equilibrium without feeling any need to move in a particular direction (except from the motivation to record the observation, part of a project to record my life as a particle, a hydrogen atom in deep space).

The two slit experiment depends on a phase shift in the same way as the distinction between fermions and bosons, but the phase shift is “built in” to the particles rather than a consequence of the [two slit] geometry of spacetime, but on the other hans spacetime is caused by the phase shift embedded in the distinction between fermions and bosons. The two slit experiment is based on space-time geometry.

Kaplan page 10: “to the best of my knowledge, not only a simple answer does not exist, but we still have no convincing reasons that identical particles with half integer spin are described with asymmetric functions and identical particles with integer spin are described by symmetric functions. Ilya G. Kaplan (2019_04_25): Pauli Exclusion Principle and its theoretical foundation

page 21: ‘particles can only exist in 3D [4D?]space’ Is a photon a particle?’

How does zero sum bifurcation of gravitation relate to bifurcation of fermions and bosons but begin with boson / fermion. Why does Dirac equation create fermions? SU(2).

Qiu-Hong Hu: ‘In this article a topological structure of the electron is postulated as a working hypothesis. . . . It is shown that the formulation is able to incorporate most, if not all, attributes of the electron, including

[page 224]

spin ½h, magnetic moment eh/2mc, fine structure constant, α, anomalous magnetic moment μe, ½(α/π) and charge conservation into a one parameter space curve.

Hubius Helix generated by massless particle at the speed of light.

Hu page 10: ‘There have been several alternative ways to establish quantization conditions . . . but all have failed to notice that it is logical, simple addition “and”, superposition of arithmetical statements, linear.

. . . Schrödinger converted the quantum condition to an eigenvalue problem of a differential (integral) equation.

page 11: De Broglie’s quantum condition: de Maupertuis + Fermat = waves associated with the particle have the same velocity as the particle and the path of the particle is the ray of the waves.

Phone: One quantum is one full turn of phase and half a turn is half a quantum equivalent to the operator not: ½ − ½ = 0 (measured in phase). All the meaning and information in quantum mechanics is encoded in phase [gauge] and the eigenfunctions yielded by self-adjoint operators are the ‘content’ of the quantum which may be ‘basis’ vectors of any complexity, ie |Φ⟩ = a|man⟩ + b|woman⟩.

[page 225]

We summarize Hu’s picture of the electron and then we go to the question of fermions and bosons.

Hu was trying to capture the electron as a real thing. We know what it does. Now we want to know why. Why the exclusion principle?

Wednesday 18 June 2025

Looking back on the history of evolution we see how successful it has been creating many millions of species and we can see also that many millions have gone extinct. What we do not see is the vast number of variations that failed to even come alive and reproduce.

My project to develop scientific theology has gradually taken on a political dimension as I explore the power of evolutionary duality to control the predatory forces on the world and prevent the sort of imperial genocide which has become the road to power since the development of military power with fighting technology in the last 10 000 years. The key, I feel, is the replacement of headspace built on divine a priori power with the notion that particles rule and Einstein (in Woolf) ‘you know it would be sufficient to truly understand the electron’ [the source of spacetime].

Hu page 40 ‘to conclude, the present work . . . is a manifest in my belief in Einstein’s conviction ‘You know it would be sufficient to truly understand the electron’.

[page 226]

Hu page 22: equation 2 : part 1 means that waves along a path muat be an integer multiple of the wavelength; part 2: the action along the path must be integer multiples of the action E = ℏω.

Equation 3a, 3b; Length of Hubius Helix is 4π = 1 quantum de Broglie.

4.3 Compton Wavelength, Mass and Radius of electron.

Wavelength is Compton wavelength of the electron λ = 2π (h/mc).

From page 225: Hans Dehmelt Nobel Lecture. Hans G Dehmelt (1989_12_08): Experiments with an Isolated Subatomic Particle at Rest

Wolfgang Pauli: Nobel Lecture: Electromagnetic traps for charged and neutral particles. Quote Georg Christoph Lichtenberg: “one has to do something new in order to see something new”. Wolfgang Pauli (1946_12_13): Nobel Lecture: Exclusion principle and quantum mechanics

My version of this [doing something new] was to join the Dominican Order and see how the work of Aristotle, Aquinas, and Galileo was trashed by the (unfortunately successful) work of the Church by establishing a two truth theory to maintain its imperial hegemony of human thought.

[page 227]

Dehmelt: ‘Such traps permit the observation of isolated particles, even a single one, over a long period of time and therefore according to Heisenberg’s uncertainty principle enable us to measure their important properties with exceedingly high accuracy.’

‘linear quadrupole mass spectrometer’.

page 614: ‘Is it possible to confine neutrons in a bottle?’ 30 years later superconducting magnets made it possible.

Still trying to crack the spin ½ exclusion principle thing on the basis of the inversion of Minkowski /Hilbert. What is the clue in Hu — work through it: Feynman: ‘We do not have complete understanding’.

Duck and Sudarshan:

Duck page 284:

Abstract:

‘Finally, an argument starting with ordinary number values (commuting) and Grassman valued (anti-commuting) oscillators shows in a natural way that these must relativistically embed into Klein-Gordon spin 0 and Dirac spin ½ fields respectively. In this way the Spin-Statistics Theorem is understood at the expense of admitting the existence of the simplest Grassman valued field.’

page 284: Part C: Proof based on Sudarshan’s observation that rotational invariance, in conjunction with the postulate of flavour symmetry of the Lagrangian, requires the spin-statistics connections. Ian Duck and E.C.G. Sudarshan (1998): Toward an understanding of the spin-statistics theorem

[page 228]

Duck & Sudarshan page 285: Part D: Understanding the spin-statistics connection.

Big question? Why anticommutators: “Within the confines of the local lagrangian formulation of relativistic quantum mechanics in ordinary (3 + 1) dimensional space-time we do know that they must have half-integral spin and vice versa.”

The foundation of the theorem is relativistic quantum field theory. This has meaning in Minkowski space, but not in quantum mechanics where there is no space-time.

Duck page 285: Neuenschwander: ‘Everyone knows the S-ST but no one understands it.

All about the number of particles per quantum state: B-E stats many; F-D stats, 1.

Full formalism of relativistic QFT unnecessary!, Here ST needs only half integral spin supplemented by one essential feature of relativistic theory:

(1) Anti-commutation [a, b]+ab + ba → FD, spin ½ Dirac;

(2) Commutation [a, b]abba → BE, spin 0, Klein-Gordon.

page 289: ‘Our strategy is: we do ordinary quantum mechanics in ordinary (3 + 1)dimensional space-time’.

We, or course do all our quantum mechanics in Hilbert space, but then we have the problem discussed here of translating this into Minkowski space.

The key so far is the Zurek ‘conversation theory’ modified by the idea (this is new) that fermions do not talk to one another [directly] but use photons for intermediaries. This duality reflects both genes and minds which say that animals (people) only talk to one another through genes and minds as

[page 229]

representatives of bodies just as photons (bosons) represent bodies (fermions) in the conversations of the universe. This is an insight that made evolution and reproduction possible since the generations communicate through abstract genes.

This is also the fantastic consequence of separating Minkowski space (the space of bodies) recognizing that field is similar to speech but it is general and generic rather than local and specific. A step forward, an expression of cognitive cosmology which I had not yet seen - Mendelian rather than Lamarkian inheritance.

[Note the difficulty that plagued Darwinism for half a century until chromosomes and genes were discovered as the carriers of structural information from parental bodies to child bodies, Clark Chapter 12 sqq Ronald Clark (1984): The Survival of Charles Darwin: A Biography of a Man and an Idea]

Thursday 19 June 2025

Aristotle already knew about the Pauli exclusion principle when he made energy = matter the principle of individuation. So in Aristotle’s world the principle of individuation is matter which for us is energy, so when gravitation gives energy to an electron it becomes an individual. What, if any, is the formal reason for this transformation - energy - mass - spin ½?

Energy has two elements: action and interval (time, frequency). How does this convert form into reality, abstract Hilbert space into real particles? We first see this in the creation of the photon, a vibration with a fixed phase - Brown page 693: ‘quantum phase of a photon does not advance’: it is fixed, carried by energy, a quantum. Kevin Brown (2018): Reflections on Relativity

[page 230]

How do we make the real world out of form? This question was first faced by Aristotle and he solved it with hylomorphism. We face the same problem. Plato’s forms are now represented by von Neumann’s abstract quantum mechanics and spacetime is represented by Einstein’s general theory of relativity, and the path from one to the other is paved with fermions, bosons and the Minkowski space, all interpreted logically by logical operators.

Friday 20 June 2025

The ribosome is the tradesperson (builder) converting a plan (a code) into reality. We cast the photon as the code carrier and the electron as the first massive body, constructed from energy carried by a photon according to a code carried in the photon phase which may be multidimensional, perhaps at this primitive level 2D, ±h, in Minkowski space the specification of an electron.

We have an analogy here in the technical problem of devising a physical implementation of Turing’s computer which we can now do with large scale electronic structures of membranes, potentials and currents of electrons very similar to living cells. Are we ready yet to dispose of QFT?

The first glimpse of the new world is the no cloning theorem applied to electrons (?). They can only communicate through a photon and so they must stand off one photon distance from each other.

[page 231]

We may guess that a particle and its messenger emerge at the same time, so electron and photon. The idea that the Pauli exclusion depends on communication through photons is weakened by the notion that photons travel on null geodesics, so communicating electrons in space-time are in contact, but on the other hand, given finite size, they are not superposed so there is no need for a zero combined wave function [we may imagine that this scenario is true in city traffic, where all the vehicles are fermions and the drivers guide themselves by visual contact which operates in null geodesics between the vehicles].

Dirac (1951) A New Classical Theory of electrons: ‘The troubles of the present QED could be ascribed primarily, in my opinion, not to a fault in the general principles of quantization, but to our working from a wrong classical theory . . . the Hamiltonian forms of the equation of motion are all importantPAM Dirac (1951_07_03): A new classical theory of electrons

Hu continued from page 226 above [4.3 Compton Wavelength, Mass and Radius of electron page 12.]

Every time I get the feeling that my story is in no way complex enough to be rue (in the light of modern physics) I am reassured by my faith in the heuristic of simplicity. So now I am feeling lazy and competent, but I still have to write it up.

Hu §4.4 page 13: Spin-orbital angular momentum of a massless particle.

[page 232]

Hu page 13: §4.5 Magnetic Moment: μe = nIA/c = . . . = eℏ/2mc

page 14: §4.6 Positron: e + e+ = γ + γ'. Winding and twist, ie e+, e are two Hubius Helices of opposite twist and parity creating photons with opposite polarization.

page 16: Hubius Helix and the Dirac electron: 1. Quantum mechanics first order in time; 2. relativity space and time on the same footing. §§ 4.4, 4.5, and 4.6 give us the Dirac electron, shown by Dirac’s algebra and Hu’s geometry and topology: spinor, Ehrenfest and Cartan. Paul Ehrenfest - Wikipedia, Élie Cartan - Wikipedia

page 18: §4.8 Circular motion and Zitterbewegung

page 21: §4.9 Fine Structure and the Anomalous Magnetic Moment

α combines three constants, e2, h and c and is dimensionless.

page 23: Hubius Helix bounds a Möbius strip in 3D and provides an explanation of α.

page 26: §4.10 Charge as a Geometric Attribute of the Hubius Helix.

Charge quantization via a) magnetic monopole; or b) flux quantization.

page 27: a) Dirac and the monopole. Both approaches are unsatisfactory and Hu seeks a geometric representation of charge as twist.

page 28: §4.11 Mass as a geometric attribute of the Hbius Helix

Mass is related to the radius of the electron: re = ℏ/2mc. Given c = 1 and ℏ/2 = 1, mass becomes analogous, if not identical to curvature - the origin of mass is action in curved space.

page 29: §4.12: Certain Transformation Properties of the Hubius Helix

[page 233]

Hu page 29: §12: Space time transformations: charge conjugation, C, space inversion, P, and time inversion T, CP changes electron-positron to positron-electron, T reverses the orientation of spin.

page 30: § 4.13: The Dimensions of an Electron in a Particle Physics Perspective.

Here electron radius is ℏ/2mc - 1.93 E-11. Fitzgerald contraction.

page 33: Issues Inherent in the Point-like Electron

’So now we know what the electron ‘looks’ like in Minkowski space. How do we couple it to quantum mechanics - via the photon constrained to move in a helical orbit by what? [space-time curvature inside the electron analogous to the curvature in the universe? Asymptotic freedom and confinement in the hadrons? What makes particles discrete? Back to hylomorphism and scholastic principle of individuation?]

Saturday 21 June 2025

Winter solstice - longest night

Cognitive layers: Gravitation is the ignorant omnipotent divine substance generating random Hilbert space from which quantum mechanics selects stable states to become [particles] fermions and bosons. Fermions and bosons create spacetime and begin molecular evolution. [The duality of] genetic control steers molecular evolution toward Darwinian [Mendelian] evolution. Darwinian evolution leads to mind which [enables and] controls social evolution. Scientific retrospection [history] on the story so far leads to an organism capable of self control and the avoidance of nuclear and environmental extinction - we take over the world to save ourselves,

[page 234]

— the real implementation of the theological apocalypse built on the five billion year life expectancy of the Sun: a new picture of gobal salvation based on reality, not transcendental mythological dreams — a product of cognitie cosmogenesis conceivd in the dark night of the soul. This is the dream behind my book, to be made more explicit in volume II.

Write it up: a simple picture of a simple Universe Short and Sweet.

1. Cognitive cosmogenesis: Plato and Aristotle’s unmoved mover: Mind & Matter

2. Matter and form → energy and force.

3. The initial singularity: the Christian God and naked gravitation.

4. Evolution, variation and selection in the cognitive world.

5. Quantum mechanics selects stable forms, gravitation gives them energy.

6. Bosons and fermions: bosons cognitive; fermions material, elementary particles.

7. Photon, electron and Minkowski space.

8. General relativity.

9. Molecular evolution, genetics and mind.

10. The theme: increasing entropy by spirituality and materialization.

SBS The Queen. The Queen (2006 film) - Wikipedia

We begin with Plato who built intelligence into the world in the place of the external divinity.

[page 235]

The Art of DissentNormalization in a Soviet state is to be demoted to the working class. NUtech Venture & Czech TV: The Art of Dissent

Plato: “Music is a barbarous expression of the soul”.

Plato founded cognitive cosmogenesis but I have tweaked it a bit. Normalization is putting social pressure on dissidents - civilized violence.

“Our future goes where or minds go and our minds go were our eyes go, which is to the horizon”. SBS The art of Dissent: Vaclav Havel.

Copyright:

You may copy this material freely provided only that you quote fairly and provide a link (or reference) to your source.

Further reading

Books

Brown (2018), Kevin, Reflections on Relativity, 2018 ' . . . general relativity teaches us that the principles of special relativity are applicable only over infinitesimal regions in the presence of gravitation, so in a sense the general theory restricts rather than generalizes the special theory. However, we can also regard special relativity as a theory of flat four-dimensional spacetime, characterized by the Minkowski metric (in suitable coordinates), and the general theory generalizes this by allowing the spacetime manifold to be curved, as represented by a wider class of metric tensors. It is remarkable that this generalization, which is so simple and natural from the geometrical standpoint, leads almost uniquely to a viable theory of gravitation.' (page 700) 
Amazon
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Clark (1984), Ronald W, The Survival of Charles Darwin: A Biography of a Man and an Idea, Random House 1984 Darwin: "I never expected to convert people [in] under twenty years, though fairly convinced now that I am in the right. For a week hardly passes without my hearing of some good judge coming a little way with me. By far the greatest part of the opposition is just the same as that made when the sun was first said to stand still and the world go round.
Man in his arrogance thinks himself a great work worthy of the interposition of a deity. More humble and I think truer to consider himself created from animals.' 
Amazon
  back

Links

David Castelvecci (2025_06_13), Mysterious link between Earth’s magnetism and oxygen levels baffles scientists, ' The strength of Earth’s magnetic field seems to rise and fall in line with the abundance of oxygen in the planet’s atmosphere, a study of geological records spanning the past half a billion years has found. Explaining what underlies the link could help to reveal fundamental trends in the evolution of life on Earth — and give astronomers clues to the most promising places to look for signs of complex life on other planets. But, so far, it is unclear whether Earth’s magnetism plays a direct part in keeping oxygen levels high — and sustaining animal life — or whether both are influenced by other, as yet unidentified mechanisms.' back

David Foffa, Alfio Alessandro Chiarenza & Emma Dunne (2025_06_18), How pterosaurs learned to fly: scientists have been looking in the wrong place to solve this mystery , 'Ever since the first fragments of pterosaur bone surfaced nearly 250 years ago, palaeontologists have puzzled over one question: how did these close cousins of land-bound dinosaurs take to the air and evolve powered flight? The first flying vertebrates seemed to appear on the geological stage fully formed, leaving almost no trace of their first tentative steps into the air. [. . .] Scientists have inferred from analysing a combination of fossil distributions, rock features and climate simulations that pterosaurs lived in areas that were warm but not scorching. The rainfall would have been comparable to today’s tropical forests rather than inland deserts. This suggests that the earliest flying dinosaurs may have lived in tree canopies, using foliage both for take-off and to protect themselves from predators and heat. As a result of this confined habitat, the distances that they flew may have been quite limited. [. . .] Pterosaurs were initially confined to tropical treetops near the equator. When global climates shifted and forested corridors opened, pterosaurs’ wings catapulted them into every corner of the planet and ultimately carried them through one of Earth’s greatest extinctions. What began as a tale of missing fossils has become a textbook example of how climate, ecology and evolutionary science have come together to illuminate a fragmentary history that has intrigued paleontologists for over two centuries.' back

Élie Cartan - Wikipedia, Élie Cartan - Wikipedia, the free encuclopedia, ' Élie Joseph Cartan (9 April 1869 – 6 May 1951) was an influential French mathematician who did fundamental work in the theory of Lie groups, differential systems (coordinate-free geometric formulation of PDEs), and differential geometry. He also made significant contributions to general relativity and indirectly to quantum mechanics. He is widely regarded as one of the greatest mathematicians of the twentieth century.' back

Hans G Dehmelt (1989_12_08), Experiments with an Isolated Subatomic Particle at Rest, ' The metastable pseudo-atom geonium (Van Dyck et al. 1978 and 1986) has been expressly synthesized for studies of the electron g factor under optimal conditions. It consists of an individual electron permanently confined in an ultrahigh vacuum Penning trap at 4K. The trap employs a homogeneous magnetic field B 0 = 5T and a weak electric quadrupole field. The latteris produced by hyperbolic electrodes, a positive ring and two negative caps spaced 2Z 0 = 8 mm apart' back

Ian Duck and E.C.G. Sudarshan (1998), Toward an understanding of the spin-statistics theorem, 'We respond to a request from Neuenschwander for an elementary proof of the Spin-Statistics Theorem. First . . . Then we discuss an argument suggested by Sudarshan, which proves the theorem with a minimal set of requirements. . . . Motivated by our particular use of Lorentz invariance, if we are permitted to elevate the conclusion of flavour symmetry (which we explain in the text) to the status of a postulate, one could recast the proof without any relativistic assumptions, and this make it applicable even in the nonrelativistic context. . . . Finally, an argument starting with ordinary number-valued (nonmmuting), and with Grassman valued (anticommuting) operators, shows in a natural way that these relativitcally embed into Klein-Gordon spin-0 and Dirac spin-½ fields, respectively. In this way the Spin Statistics theorem is understood at the expense of admitting the existence of the simplest Grassman-valued field.' back

Ilya G. Kaplan (2019_04_25), Pauli Exclusion Principle and its theoretical foundation, ' The modern state of the Pauli Exclusion Principle (PEP) is discussed. PEP can be considered from two viewpoints. On the one hand, it asserts that particles with half-integer spin (fermions) are described by antisymmetric wave functions, and particles with integer spin (bosons) are described by symmetric wave functions. This is the so-called spin-statistics connection (SSC). As we will discuss, the physical reasons why SSC exists are still unknown. On the other hand, according to PEP, the permutation symmetry of the total wave functions can be only of two types: symmetric or antisymmetric, both belong to one-dimensional representations of the permutation group, all other types of permutation symmetry are forbidden; whereas the solution of the Schrödinger equation may have any permutation symmetry. It is demonstrated that the proof in some widespread textbooks on quantum mechanics that only symmetric and antisymmetric states (one-dimensional representations of the permutation group) can exist is wrong. However, the scenarios, in which an arbitrary permutation symmetry (degenerate permutation states) is permitted lead to contradictions with the concepts of particle identity and their independence. Thus, the existence in our nature particles only in nondegenerate permutation states (symmetric and antisymmetric) is not accidental and so-called symmetrization postulate may not be considered as a postulate, since all other symmetry options for the total wave function may not be realized. From this an important conclusion follows: we may not expect that in future some unknown elementary particles can be discovered that are not fermions or bosons.' back

NUtech Venture & Czech TV, The Art of Dissent, ' "The Art of Dissent" celebrates the resilience and power of artistic engagement in Czechoslovakia before and after the 1968 Soviet-led invasion. The documentary's main protagonists - Václav Havel, banned singer Marta Kubisová, and the underground rock group the Plastic People of the Universe (PPU) - became the most recognizable dissidents during the 1970-80s. Havel bridged the disparate clusters of individuals and fused the literary, musical, political, and philosophical nonviolent elements into a hybrid network that eventually toppled the totalitarian regime in 1989. The film speaks to our contemporary political malaise by underscoring the resolve and courage of dissidents who strove to re-build a battered civil society with artistry, tolerance, and truth. "The Art of Dissent" team presented the film to festivals with the excitement of first-time filmmakers and won five international film festival awards despite the pandemic. A unique co-production of NUtech Ventures at the University of Nebraska and Czech TV in Prague, "The Art of Dissent" combines rare archival footage with interviews with key dissidents filmed over three years in the Czech Republic, England, and the United States. Location interviewing began in Prague in 2017 with associate producer, Mariana Capková (a young politician) and Susan Pahlke (second camera). Thirty interviews were filmed over three years. Parallel with this, Le Sueur worked closely with Martin Bouda (Czech TV film archivist) and Alena Jirásek (Australian-based researcher and translator) to review, select, and edit the archival footage. back

PAM Dirac (1951_07_03), A new classical theory of electrons, ' In the theory of the electromagnetic field without charges, the potentials are not fixed by the field, but are subject to gauge transformations. The theory thus involves more dynamical variables than are physically needed. It is possible by destroying the gauge transformations to make the superfluous variables acquire a physical significance and describe electric charges. One gets in this way a simplified classical theory of electrons, which appears to be more suitable than the usual one as a basis for a passage to the quantum theory. [. . .] Recent work by Lamb, Schwinger, Feynman and others has been very successful in setting up rules for handling the infinities and subtracting themaway, so as to leave finite residues which can be compared with experiment, but the resulting theory is an ugly and incomplete one, and cannot be considered as a satisfactory solution of the problem of the electron.' back

Paul Ehrenfest - Wikipedia, Paul Ehrenfest - Wikipedia, the free encyclopedia, ' Paul Ehrenfest (18 January 1880 – 25 September 1933) was an Austrian theoretical physicist who made major contributions to statistical mechanics and its relation to quantum mechanics, including the theory of phase transition and the Ehrenfest theorem. He befriended Albert Einstein on a visit to Prague in 1912 and became a professor in Leiden, where he frequently hosted Einstein. Suffering from depression, in 1933 Ehrenfest killed his disabled son, Wassik, and then himself.' back

Qiu-Hong Hu (2005_12_29), The nature of the electron, ' Through investigating history, evolution of the concept, and development in the theories of electrons, I am convinced that what was missing in our understanding of the electron is a structure, into which all attributes of the electron could be incorporated in a self-consistent way. It is hereby postulated that the topological structure of the electron is a closed two-turn Helix (a so-called Hubius Helix) that is generated by circulatory motion of a mass-less particle at the speed of light. A formulation is presented to describe an isolated electron at rest and at high speed. It is shown that the formulation is capable of incorporating most (if not all) attributes of the electron, including spin, magnetic moment, fine structure constant, anomalous magnetic moment, and charge quantization into one concrete description of the Hubius Helix. The equations for the description emerge accordingly. Implications elicited by the postulate are elaborated. Inadequacy of the formulation is discussed.' back

Quantum chromodynamics - Wikipedia, Quantum chromodynamics - Wikipedia, the free encyclopedia, ' In theoretical physics, quantum chromodynamics (QCD) is the theory of the strong interaction between quarks and gluons, the fundamental particles that make up composite hadrons such as the proton, neutron and pion. QCD is a type of quantum field theory called a non-abelian gauge theory, with symmetry group SU(3). The QCD analog of electric charge is a property called color. Gluons are the force carrier of the theory, like photons are for the electromagnetic force in quantum electrodynamics.' back

Rob Harris (2025_06_17), It has held dictators to account for 75 years. But Trump has left it in survival mode, ' Prague: The hallways of Radio Free Europe don’t echo with much sound nowadays. But inside its heavily fortified, high-security headquarters in the Czech capital, even silence feels like resistance. Cyberattacks from state actors are a weekly fact of life for this enemy of autocrats and dictators for 75 years. Visitor security badges are double-scanned. Staff live in the knowledge that many of their listeners face prison for simply sharing their work. But now, the future of the Cold War-era institution – founded with the mission of broadcasting uncensored news to people living in restrictive regimes – is more uncertain than at any point in its history. “Right now, we’re in survival mode,” says Nathan Hodge, RFE regional director for Russia. “We’ve had to fight for every month of our funding, and those delays cause further cutbacks to our services. “We’ve furloughed hundreds of employees … We’ve also let go of hundreds of freelancers.” Those freelancers, he adds, “were the lifeblood of this organisation”. The crisis began in March, when US President Donald Trump signed an executive order that in effect terminated the US government’s grant to Radio Free Europe (known as Radio Liberty within former Soviet states) and other international broadcasters – Voice of America and Radio Free Asia via the US Agency for Global Media. Staff and their unions have fought it through the courts, trying to restore funding for the news services. A judge has ordered that funding be reinstated on a monthly basis, but the news organisation’s future remains in peril.' back

Steve Petrie (2025_06_16), A 3-tonne, $1.5 billion satellite to watch Earth’s every move is set to launch this week, ' In a few days, a new satellite that can detect changes on Earth’s surface down to the centimetre, in almost real time and no matter the time of day or weather conditions, is set to launch from India’s Satish Dhawan Space Centre near Chennai. Weighing almost 3 tonnes and boasting a 12-metre radar antenna, the US$1.5 billion NISAR satellite will track the ground under our feet and the water that flows over and through it in unprecedented detail, providing valuable information for farmers, climate scientists and natural disaster response teams. [. . .] Many of these Earth observation satellites require reflected sunlight to capture images of Earth’s surface. This means they can only capture images during daytime and when there is no cloud cover. [. . .] As a result, these satellites face challenges wherever cloud cover is very common, such as in tropical regions, or when nighttime imagery is required. The NISAR satellite – a collaboration between the national space agencies of the United States (NASA) and India (ISRO) – overcomes these challenges by using synthetic aperture radar (SAR) technology to take images of the Earth. This technology also gives the satellite its name. NISAR stands for NASA-ISRO SAR. SAR technology was invented in 1951 for military use. Rather than using reflected sunlight to passively image the Earth’s surface, SAR satellites work by actively beaming a radar signal toward the surface and detecting the reflected signal. Think of this as like using a flash to take a photo in a dark room. [. . .] The NISAR satellite has been in development for over a decade and is one of the most expensive Earth-imaging satellites ever built. Data from the satellite will be supplied freely and openly worldwide. It will provide high-resolution images of almost all land and ice surfaces around the globe twice every 12 days.' back

Thalia Anthony & Eddie Cubillo (2025_06_16), Decades on from the Royal Commission, why are Indigenous people still dying in custody?, ' Aboriginal and Torres Strait Islander readers are advised that this article contains the name of an Indigenous person who has died. The recent deaths in custody of two Indigenous men in the Northern Territory have provoked a deeply confronting question – will it ever end? About 597 First Nations people have died in custody since the 1991 Royal Commission into Aboriginal Deaths in Custody. This year alone, 12 Indigenous people have died – 31% of total custodial deaths. The raw numbers are a tragic indictment of government failure to implement in full the Commission’s 339 recommendations. We are potentially further away from resolving this crisis than we were 34 years ago. [. . .] Copy link Email X (Twitter) Bluesky Facebook LinkedIn WhatsApp Print Aboriginal and Torres Strait Islander readers are advised that this article contains the name of an Indigenous person who has died. The recent deaths in custody of two Indigenous men in the Northern Territory have provoked a deeply confronting question – will it ever end? About 597 First Nations people have died in custody since the 1991 Royal Commission into Aboriginal Deaths in Custody. This year alone, 12 Indigenous people have died – 31% of total custodial deaths. The raw numbers are a tragic indictment of government failure to implement in full the Commission’s 339 recommendations. We are potentially further away from resolving this crisis than we were 34 years ago. [. . .] Both were under the care and protection of the state when they died. The royal commission revealed “so many” deaths had occurred in similar circumstances and urged change. It found there was: little appreciation of, and less dedication to, the duty of care owed by custodial authorities and their officers to persons in care. Seemingly, care and protection were the last things Kumanjayi White and the Wadeye Elder were afforded by NT police. [. . .] More broadly, a lack of independent oversight has compromised accountability. Recommendations 29-31 would have given the coroner, and an assisting lawyer, “the power to direct police” in their investigations: It must never again be the case that a death in custody, of Aboriginal or non-Aboriginal persons, will not lead to rigorous and accountable investigations. Yet, the Northern Territory police has rejected pleas by White’s family for an independent investigation. [. . .] There are too many First Nations deaths in custody because there are too many First Nations people in custody in the first place. At the time of the royal commission, 14% of the prison population was First Nations. Today, it’s 36%, even though Indigenous people make up just 3.8% of Australia’s overall population.' back

The Queen (2006 film) - Wikipedia, The Queen (2006 film) - Wikipedia, the free encyclopedia, ' The Queen is a 2006 docudrama film directed by Stephen Frears and written by Peter Morgan. The film depicts the death of Diana, Princess of Wales in 1997. The royal family regards Diana's death as a private affair and thus not to be treated as an official royal death, in contrast with the views of Prime Minister Tony Blair and Diana's ex-husband, Prince Charles, who favour the general public's desire for an official expression of grief. Matters are further complicated by the media, royal protocol regarding Diana's official status, and wider issues about republicanism.' back

Wojciech Hubert Zurek (2008), Quantum origin of quantum jumps: breaking of unitary symmetry induced by information transfer and the transition from quantum to classical, 'Submitted on 17 Mar 2007 (v1), last revised 18 Mar 2008 (this version, v3)) Measurements transfer information about a system to the apparatus, and then further on – to observers and (often inadvertently) to the environment. I show that even imperfect copying essential in such situations restricts possible unperturbed outcomes to an orthogonal subset of all possible states of the system, thus breaking the unitary symmetry of its Hilbert space implied by the quantum superposition principle. Preferred outcome states emerge as a result. They provide framework for the “wavepacket collapse”, designating terminal points of quantum jumps, and defining the measured observable by specifying its eigenstates.' back

Wolfgang Pauli (1946_12_13), Nobel Lecture: Exclusion principle and quantum mechanics, ' The question, as to why all electrons for an atom in its ground state were not bound in the innermost shell, had already been emphasized by Bohr as a fundamental problem in his earlier works. [. . .] Following Bohr’s invitation, I went to Copenhagen in the autumn of 1922, where I made a serious effort to explain the so-called « anomalous Zeeman effect », as the spectroscopists called a type of splitting of the spectral lines in a magnetic field which is different from the normal triplet. [. . .] This early work was of decisive importance for the finding of the exclusion principle. [. . .] Very soon after my return to the University of Hamburg, in 1923, I gave there my inaugural lecture as Privatdozent on the Periodic System of Elements. The contents of this lecture appeared very unsatisfactory to me, since the problem of the closing of the electronic shells had been clarified no further. [. . .] On the basis of my earlier results on the classification of spectral terms in a strong magnetic field the general formulation of the exclusion principle be- came clear to me. The fundamental idea can be stated in the following way: The complicated numbers of electrons in closed subgroups are reduced to the simple number one if the division of the groups by giving the values of the four quantum numbers of an electron is carried so far that every degeneracy is removed. An entirely non-degenerate energy level is already « closed », if it is occupied by a single electron; states in contradiction with this postulate have to be excluded. [. . .] The gap was filled by Uhlenbeck and Goudsmit’s idea of elec- tron spin, which made it possible to understand the anomalous Zeeman effect simply by assuming that the spin quantum number of one electron is equal to ½ and that the quotient of the magnetic moment to the mechanical angular moment has for the spin a value twice as large as for the ordinary orbit of the electron. [. . .] At the end of this lecture I may express my critical opinion, that a correct theory should neither lead to infinite zero-point energies nor to infinite zero ncharges, that it should not use mathematical tricks to subtract infinities or singularities, nor should it invent a « hypothetical world » which is only a mathematical fiction before it is able to formulate the correct interpretation of the actual world of physics. From the point of view of logic, my report on « Exclusion principle and quantum mechanics » has no conclusion. I believe that it will only be possible to write the conclusion if a theory will be established which will determine the value of the fine-structure constant and will thus explain the atomistic structure of electricity, which is such an essential quality of all atomic sources of electric fields actually occurring in Nature.' back

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