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Comment on half-integer quantum numbers for the total angular
Comment on half-integer quantum numbers for the total angular

... field described by Maxwell’s equations) that the magnetic moment M induced in a metal by a circularly polarized Gauss beam is a factor of two smaller than the one, Mg , induced by an infinitely extended circularly polarized wave. The reduction is caused by a drift current occurring as a result of th ...
Photon-number-splitting versus cloning attacks in practical
Photon-number-splitting versus cloning attacks in practical

A generalized entropy measuring quantum localization
A generalized entropy measuring quantum localization

Introduction to Group Field Theory
Introduction to Group Field Theory

Analysis of Strained Al0.15In0.22Ga0.63As/GaAs Graded Index
Analysis of Strained Al0.15In0.22Ga0.63As/GaAs Graded Index

Numerical Renormalization Group Study of Random Transverse
Numerical Renormalization Group Study of Random Transverse

... driven phase transitions. As first observed by McCoy 1) in a somewhat disguised version of a random transverse Ising chain, non-conventional scaling and off-critical singularities that lead to divergent susceptibilities even away from the critical point now appear to be a generic scenario in any dimen ...
Optimum phase-shift estimation and the quantum description of the
Optimum phase-shift estimation and the quantum description of the

Twentieth Century Physics
Twentieth Century Physics

... methods, but Descartes developed a method 400 years ago that still works. René Descartes was one of the first to discuss the so-called “scientific method.” Such a method works as well for solving problems as it does for investigating nature — this is because they are the same activity! Descartes sa ...
wormholes and supersymmetry
wormholes and supersymmetry

... which one is computing the tunneling amplitude. (For tunneling hetween states of real Lorentzian :-harge we require imaginary Euclidean charge in the Euclidean path integral.) The argument we are ff)llowing rather sweeps the issue of quantum states un der the rug, but it is of intercst as an alterna ...
Comparison of electromagnetically induced
Comparison of electromagnetically induced

Quantum Channels - Institut Camille Jordan
Quantum Channels - Institut Camille Jordan

... let them evolve along any unitary evolution, finally look at the resulting state for H. Translating this in a more mathematical langage, we are given a state ω on K, a unitary operator U on H ⊗ K. Given any initial state ρ on H, we couple the system H to K so that to obtain the state ρ ⊗ ω. After th ...
Realizing effective magnetic field for photons by controlling the
Realizing effective magnetic field for photons by controlling the

... Realizing effective magnetic field for photons by controlling the phase of dynamic modulation Kejie Fang1, Zongfu Yu2 and Shanhui Fan2 * The goal to achieve arbitrary control of photon flow has motivated much of the recent research on photonic crystals and metamaterials. As a new mechanism for control ...
2015_0042_Quantum Robot = CSP = Quantum Emotional
2015_0042_Quantum Robot = CSP = Quantum Emotional

... Oracle with Comparators, Global AND gate ...
1 The quantum-classical boundary and the moments of inertia of
1 The quantum-classical boundary and the moments of inertia of

... In the different studies, potential limitations on quantum behavior introduced by different general characteristics of a finite, expanding universe were explored, and estimates were made of limitations on the extent of quantum waves, and of uncertainties in position of objects dependent on general p ...
Nonequilibrium fluctuations, fluctuation theorems
Nonequilibrium fluctuations, fluctuation theorems

Optical and Magnetic Properties of Copper(II) compounds.
Optical and Magnetic Properties of Copper(II) compounds.

Introduction to Loop Quantum Gravity and Spin Foams
Introduction to Loop Quantum Gravity and Spin Foams

... In fact one could read the issues of divergences in an alternative way. The accepted jargon is that in a renormalizable theory the microscopic physics does not affect low energy processes as its effects can be recast in simple redefinition of a finite set of parameters, i.e., renormalization. In the ...
Charge trapping properties at silicon nitride/silicon oxide interface
Charge trapping properties at silicon nitride/silicon oxide interface

Demonstration of a neutral atom controlled
Demonstration of a neutral atom controlled

... reported data were obtained over a period of several months during which the two-atom loss factor varied by no more than 2%. We expect that future experiments with better vacuum, colder atoms, and shorter gap time will remove the need for this correction factor. It is important to emphasize that ou ...
The Hall fields and fast magnetic reconnection
The Hall fields and fast magnetic reconnection

Electron-cylotron maser radiation from electron holes: downward
Electron-cylotron maser radiation from electron holes: downward

We don`t generally encounter forces, even in our theoretical studies
We don`t generally encounter forces, even in our theoretical studies

ppt
ppt

... g No need for further selection or categorization on massive use ! Just a small tuning of operation voltages is necessary. • Further effort is ongoing by Hamamatsu to make the variation even smaller. ...
Pulse-shape control of two-color interference in high-order
Pulse-shape control of two-color interference in high-order

full text
full text

... Action-angle variables play a central role in the description and analysis of internal dynamics of atomic and molecular systems. Such systems often have important integrable approximations for which these variables can be introduced. Particularly many approximations are obtained for the limit of sma ...
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Quantum electrodynamics



In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics. In essence, it describes how light and matter interact and is the first theory where full agreement between quantum mechanics and special relativity is achieved. QED mathematically describes all phenomena involving electrically charged particles interacting by means of exchange of photons and represents the quantum counterpart of classical electromagnetism giving a complete account of matter and light interaction.In technical terms, QED can be described as a perturbation theory of the electromagnetic quantum vacuum. Richard Feynman called it ""the jewel of physics"" for its extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen.
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