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Randomness in (Quantum) Information Processing
Randomness in (Quantum) Information Processing

... quantum information processing, especially in cryptography. The accent is on production of high-quality randomness (randomness extraction), efficient usage of randomness (design of applications consuming as little randomness as possible), and role of weak randomness in applications - in what applica ...
Forward and backward time observables for quantum evolution and
Forward and backward time observables for quantum evolution and

II: Experimental Atomic Spectroscopy
II: Experimental Atomic Spectroscopy

... A. The Bohr Theory of the Hydrogen Atom In 1913 Bohr proposed a model of the hydrogen atom which correctly predicted the observed lines in the spectrum of light emitted by hydrogen. The theory is a simple application of classical mechanics to a point electron and nucleus where the attraction is assu ...
LETTERS Nature of the superconductor–insulator transition in disordered superconductors Yonatan Dubi
LETTERS Nature of the superconductor–insulator transition in disordered superconductors Yonatan Dubi

... the unpaired fermions, rather than indicating the irrelevance of the quantum phase-transition scenario. Finally, while the calculations described above were performed for s-wave superconductors, phase fluctuations have been suggested to be relevant also for high-Tc superconductors30. A similar metho ...
Non-Destructive Testing Capability of a Superconducting Quantum
Non-Destructive Testing Capability of a Superconducting Quantum

... electron-phonon interaction—results in the electrons forming bound pairs. When two electrons are bound in a pair, they act as a boson rather than a fermion. This means that the electron pairs want to be in the same state, so it is difficult to separate them. The bound pairs, however, are not held to ...
On the impossibility of superluminal travel: the warp drive lesson
On the impossibility of superluminal travel: the warp drive lesson

Quantum Thermodynamics: A Dynamical Viewpoint
Quantum Thermodynamics: A Dynamical Viewpoint

On the foundations of the theory of evolution
On the foundations of the theory of evolution

... another critique of neo-Darwinian theory, which derives from a nonclassical and nondeterminist view of physics, as developed recently in quantum mechanics. The notion of variation is examined. What is naturally selected for in the neo-Darwinian view are essentially forms of concrete and actual matte ...
Reflections on the four facets of symmetry: how physics
Reflections on the four facets of symmetry: how physics

Lecture 21
Lecture 21

The Quantum Mechanics of Angular Momentum
The Quantum Mechanics of Angular Momentum

Williams
Williams

berezinskii-kosterlitz-thouless transition and the haldane conjecture
berezinskii-kosterlitz-thouless transition and the haldane conjecture

Monday, Mar. 23, 2015
Monday, Mar. 23, 2015

... • The electron and hydrogen nucleus actually revolve about their mutual center of mass  reduced mass correction!! ...
Fokker-Planck theory of superstatistics
Fokker-Planck theory of superstatistics

Chapter 5 The Quantum Soul: A Scientific Hypothesis
Chapter 5 The Quantum Soul: A Scientific Hypothesis

... A particle in one state or location would be a specific curvature in space-time geometry, and the same particle in another location would be curvature in the opposite direction, extending downward to the Planck scale. Superposition of both locations can then be seen as simultaneous curvatures in opp ...
Momentum Transfer to a Free Floating Double Slit
Momentum Transfer to a Free Floating Double Slit

Multipartite entanglement, quantum- error
Multipartite entanglement, quantum- error

... The phenomenon of entanglement [1, 2, 3] is a remarkable feature of quantum physics that has been identified as a key ingredient in many areas of quantum information theory including quantum key distribution [4], superdense coding [5] and teleportation [6]. However the general problem of how to quan ...
arXiv:1605.02181v1 [quant
arXiv:1605.02181v1 [quant

... Teleportation [1] is arguably the most important discovery in quantum information. Teleportation enables the transfer of a quantum state of a system in one site to a system in a remote site. Teleportation requires a connection between the sites: an entanglement channel and a classical channel in whi ...
``Two-Photon`` Coincidence Imaging with a Classical Source
``Two-Photon`` Coincidence Imaging with a Classical Source

... optical nonlinearities has enabled significant advances in the practical use of such phenomena. Quantum cryptography [1], quantum teleportation [2,3], quantum lithography [4,5], and precision measurements below the standard quantum limit [6–9] have all been demonstrated experimentally. Even so, the ...
Quantum mechanical interaction-free measurements | SpringerLink
Quantum mechanical interaction-free measurements | SpringerLink

Electron Deep Orbits of the Hydrogen Atom1
Electron Deep Orbits of the Hydrogen Atom1

Magnetic properties of quantum corrals from first
Magnetic properties of quantum corrals from first

... interesting feature of this remarkable state of matter is its response to perturbations such as those caused by placing transition metal atoms on the surface. As might be expected, such response displays long range, ‘Friedel-like’, charge oscillations governed by the 2D Fermi ‘surface’. Indeed, one ...
ON THE QUANTUM STRUCTURE OF A BLACK HOLE In view of the
ON THE QUANTUM STRUCTURE OF A BLACK HOLE In view of the

... show certain types of interactions. It is natural to assume that at the Planck length these objects merge and that the same set of physical laws should cover all of them. Now in spite of the fact that the properties of larger black holes appear to be determined by well-known laws of physics there ar ...
Introduction to Quantum Fields in Curved Spacetime
Introduction to Quantum Fields in Curved Spacetime

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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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