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quantum electrodynamics
(redirected from Quantum electrodynamic)

    Also found in: Encyclopedia, Wikipedia 0.01 sec.
quantum electrodynamics
n. (used with a sing. verb)
The quantum theory of the properties and behavior of muons, photons, and electrons and the electromagnetic field.
quantum electrodynamics
n
(Physics / Atomic Physics) Physics a relativistic quantum mechanical theory concerned with electromagnetic interactions Abbreviation QED
quantum electrodynamics
A quantum field theory of electromagnetism that explains the interactions between electrically charged particles and photons. According to quantum electrodynamics, charged particles interact with one other by emitting or absorbing photons, which are the carriers of the electromagnetic force. Quantum electrodynamics correctly predicts such phenomena as the structure of atoms, and the creation and annihilation of particles (for example, when matter and antimatter collide). Quantum electrodynamics is one of the most well-tested, accurate, and successful theories in physics.
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Noun1.quantum electrodynamics - a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons
QED
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
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They then cover stochastic processes and dynamics in Hilbert space, stochastic simulation methods, and applications to quantum optical systems; non-Markovian quantum processes such as projection operator techniques and dynamics in physical systems; and relativisitic quantum processes, including measurements in relativistic quantum mechanics and open quantum electrodynamics.
The theory of open quantum systems by SciTech Book News
Scope of the material covered is vast, and includes intermediate and advanced topics such as: * calculus of exterior differential forms, which puts mechanics and electrodynamics on the same mathematical footing, and ultimately leads to the formalism of fiber-bundles and gauge-connections underlying Quantum Electrodynamics and the Standard Model.
The Road to Reality: A Complete Guide to the Laws of the Universe by Flower, Robert G. / Frontier Perspectives
As Feynman's new technique spread in the early 1950s, physicists started applying the diagrams to areas outside the theory of quantum electrodynamics.
Dr. Feynman's doodles: how one scientist's simple sketches ... by Weiss, Peter Ulrich / Science News
 
 
 
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