Quantum Field Theory: From Operators to Path Integrals

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If relativistic quantum mechanics can be interpreted in terms of particles then the possible types of particles and their invariant properties can be determined via an analysis of the irreducible unitary representations of the Poincaré group. Heisenberg's uncertainty principle quantifies the inability to precisely locate the particle given its conjugate momentum. [23] According to one interpretation, as the result of a measurement the wave function containing the probability information for a system collapses from a given initial state to a particular eigenstate.

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The Stability of Matter: Selecta of Elliott H. Lieb

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On one hand, in everyday life, time flows in a uniform fashion. BRIAN GREENE: The inventors of the Standard Model, both the name and the theory, were the toasts of the scientific community, receiving Nobel Prize after Nobel Prize. We also believe that, in providing a new mental picture of quantum effects, it will be useful in planning experiments to test and exploit quantum phenomena.” American theoretical physicist Richard Feynman once noted: “I think I can safely say that nobody understands quantum mechanics.” And the MIW group admits that their theory is a bit out there. "Any explanation of quantum phenomena is going to be weird, and standard quantum mechanics does not really offer any explanation at all ‒ it just makes predictions for laboratory experiments," Wiseman told the Huffington Post in an email. "Our new explanation... is that there are ordinary [non-quantum] parallel worlds which interact in a particular and subtle way."

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Electrochemistry of Semiconductors and Electronics:

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quantum mechanics (the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)) quantum field theory (the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states) "Not every sweet root give birth to sweet grass." (Native American proverb, tribe unknown)

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A Trajectory Description of Quantum Processes. II.

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This is due to aluminum’s low emissivity () and ab- sorptivity, and hence its high reflectivity, causing the daylight to overpower its weak colored glow. Be across the novel ideas presented in Quantum Theory. As we go down the quantum physics rabbit hole, the mysterious boundary between the subjective and objective becomes fuzzier, out of focus, uncertain. Physicists often refer to these forces as interactions, because the forces control the way particles interact with each other.

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Physics of Ultra-Cold Matter: Atomic Clouds, Bose-Einstein

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Bohr claimed that particles don’t have definite trajectories; de Broglie argued that they do, but that we can’t measure each particle’s initial position well enough to deduce its exact path. We hypothesize that a theory based on a more comprehensive understanding of the situation would validate the proposed connections in a way analogous to the way in which de Broglie and those who succeeded him demonstrated the connection between the wave and particle pictures at the quantum level. One might expect that such emissions (and absorptions) contain all frequencies (colors)--a perfect rainbow--even if the intensity of light across the spectrum might vary.

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Quantum Probability and Applications IV: Proceedings of the

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This is why we needed to alter our understanding of these physical properties from being represented by numbers to being represented by operators. One molecule cannot have a pressure, it cannot be said […] The clock is designed to open a shutter and allow one photon to escape. Schrödinger, for example, referring to the new physics that he himself was helping to create, famously said, “I don’t like it, and I’m sorry I ever had anything to do with it.” Not being able to find the words to describe the majesty of what they had discovered, the founding fathers of quantum theory “fell into stammering” when asked to discuss the implications of their own theories.

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Supersymmetry in Disorder and Chaos

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From 4:07–4:25 min:sec the audio is censored under deed of gift restriction (ibid., p. 380). The latest such attempt, by physicists in Europe and Canada, used a three-slit version — but quantum mechanics won out again... David Albert puts it better when he writes, The dynamics and the postulate of collapse are flatly in contradiction with one another ... the postulate of collapse seems to be right about what happens when we make measurements, and the dynamics seems to be bizarrely wrong about what happens when we make measurements, and yet the dynamics seems to be right about what happens whenever we aren't making measurements. [ 2 ] Let us be more explicit about what he means here.

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Fundamental Physics _ Heisenberg and Beyond: Werner

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One of the most basic consequences of quantum mechanics is that there is a wave associated with the motion of all matter, including electrons in an atom. Duality, claiming that everything is a wave and is not a wave, is so plainly self-contradicting that it clearly disproves itself. LEFT SIDE BRIAN GREENE: ...and another that uses quantum mechanics to study the tiniest of objects, like atoms and particles. If the Many-World’s Theory is not true, then the experimenter’s survival probability decreases after every quark measurement until it essentially becomes zero (a fraction raised to a large exponent is a very small value).

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Spin and Charge Ordering in the Quantum Hall Regime

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When I was a student at MIT in the late 1960s, I audited a course in cosmology from the physics Nobelist Steven Weinberg. These waves of matter were not ordinary waves, however. The great 20th-century physicist Richard Feynman said that this double-slit experiment “has in it the heart of quantum mechanics,” and “is impossible, absolutely impossible, to explain in any classical way.” Some physicists now disagree. “Quantum mechanics is very successful; nobody’s claiming that it’s wrong,” said Paul Milewski, a professor of mathematics at the University of Bath in England who has devised computer models of bouncing-droplet dynamics. “What we believe is that there may be, in fact, some more fundamental reason why [quantum mechanics] looks the way it does.” The idea that pilot waves might explain the peculiarities of particles dates back to the early days of quantum mechanics.

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Quantum States of Atoms, Molecules and Solids (Prentice-Hall

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Classical terminology is peculiarily well-adapted to ordinary sized objects since it arises in a theory designed to describe them. It is fundamentally about centralizing power and control, as it enslaves people under deceptive lies of limitation and lack of options, keeping them disconnected from their own immense creative power. In their famous "EPR" paper, Einstein and his collaborators Boris Podolsky and Nathan Rosen used entanglement to argue that quantum mechanics is incomplete. For the scale of chunkiness that Hogan hopes to find, he needs to measure distances to an accuracy of 10-18 meters, about 100 million times smaller than a hydrogen atom, and collect data at a rate of about 100 million readings per second.

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