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... This, and any other, local symmetry creates a field. The wrinkles are analogous to the field lines or lines of force as they were known in pre-quantum days. In a Feynman diagram, the wrinkles appear as ...
these slides
these slides

Neural Unpredictability, The Interpretation of Quantum Theory, and
Neural Unpredictability, The Interpretation of Quantum Theory, and

4. Important theorems in quantum me
4. Important theorems in quantum me

Learning station V: Predicting the hydrogen emission lines with a
Learning station V: Predicting the hydrogen emission lines with a

... of De Broglie, that lives on into quantum field theory, is indeed that some kind of quantum matter field must be connected to a matter particle. Matter particles arise from this matter field. Light particles - photons – on their turn, are seen as quanta of electromagnetic fields and therefore arise ...
LECTURES ON SYMPLECTIC REFLECTION ALGEBRAS 12. Calogero-Moser systems and quantum mechanics X
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... like insects or planets should obey classical laws, while quantum effects only appear for small objects, such as electrons. So one should be able to pass from a quantum system to classical (by taking the “quasi-classical” limit ~ → 0) and vice versa (quantization). One of the problems with the tradit ...
A phase-space study of the quantum Loschmidt Echo in the
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Dernières Nouvelles de l`Univers

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What is CPH_Theory - VBN

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Berry phase correction to electron density of states in solids
Berry phase correction to electron density of states in solids

... then be written as ξ̇ a = {ξ a , ε}∗ , where the energy ε(ξ) plays the role as the Hamiltonian function. Then, one promotes the Poisson brackets into quantum commutators: [ξˆa , ξ̂ b ] = iMab , ...
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... a single vertical bar—the photons were particles. He expected that when both slits were open a pattern like Pattern 1a would emerge: the photon bullets would show as two vertical patterns. But when both slits were open he found a series of light bars with emptiness between each pair like Pattern 1b— ...
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Ref. [190]
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... modify the tunnel-ionization condition that the electron trajectories begin with zero initial velocity. Since ionization proceeds via one-photon absorption, the electron is released with a nonzero kinetic energy. We estimate this as Ek t0   E0  q !  Vt0  where E0 is the ground state energy, ...
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A quantum mechanical model of adaptive mutation

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... H. Define electric flux and Gaussian Surface for various 2-D and 3-D surfaces: 1. apply to explain practical situations (e.g., doubling volume of the sphere and calculate the electric flux for of given charge through the closed surface (e.g., sphere of given radius, cube of given sides, etc.) 2. giv ...
Holographic View of the Brain Memory Mechanism Based on
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... It therefore seems highly plausible that macroscopic quantum ordered dynamic systems of evanescent photons in the brain could play an essential role in realizing long-range biological order in living systems. Ziolkowski pointed out in his paper that superluminal pulse propagation that permits conseq ...
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Investigated Charges Virtual Lab

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Diamagnetism and de Haas-van Alphen oscillations in the electronic

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Physics 535 lecture notes: - 7 Sep 25th, 2007 Reading: Griffiths

... spins while the final state is in an eigenstate of the combined spin. To find out what final states we produce with what probabilities we need to understand how to express one set of eigenstates as a linear combination of the other states. This sort of problem may happen involving just spins or poss ...
Lecture 3 : ultracold Fermi Gases Lecture 3 : ultracold Fermi Gases
Lecture 3 : ultracold Fermi Gases Lecture 3 : ultracold Fermi Gases

Realisation of a programmable two-qubit quantum processor
Realisation of a programmable two-qubit quantum processor

... represents a major goal for the field of quantum information science. Algorithms performed on such a device are predicted to offer significant gains for some important computational tasks[3]. In the context of quantum information, “universal” refers to the ability to perform arbitrary unitary transf ...
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quantum physics - Enggphysicsvenkat
quantum physics - Enggphysicsvenkat

... phenomenon. Thomson scattering, the classical theory of an electromagnetic wave scattered by charged particles, cannot explain low intensity shifts in wavelength. Quantum of radiations carrying energy as well as momentum scatters off an electron. Dual nature of electron - According to this theory, s ...
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History of quantum field theory

In particle physics, the history of quantum field theory starts with its creation by Paul Dirac, when he attempted to quantize the electromagnetic field in the late 1920s. Major advances in the theory were made in the 1950s, and led to the introduction of quantum electrodynamics (QED). QED was so successful and ""natural"" that efforts were made to use the same basic concepts for the other forces of nature. These efforts were successful in the application of gauge theory to the strong nuclear force and weak nuclear force, producing the modern standard model of particle physics. Efforts to describe gravity using the same techniques have, to date, failed. The study of quantum field theory is alive and flourishing, as are applications of this method to many physical problems. It remains one of the most vital areas of theoretical physics today, providing a common language to many branches of physics.
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