quantum electrodynamics


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Related to quantum electrodynamics: quantum field theory
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Synonyms for quantum electrodynamics

a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons

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The creation operator of quantum electrodynamics thus allows calculating the probability for a photon with a certain energy and momentum to be detected at a specified point in space and time.
This concludes the central part of the book, in which Wuthrich clearly demonstrates that diagrams were not primarily a calculational aid for Feynman, but rather provided him with an important heuristic tool in his reformulation of quantum electrodynamics and that for the most part his diagrams represented physical processes in space and time, rather than mathematical expressions.
Either the previously accepted measures upon which hundreds of calculations have been based are wrong, or there is a problem with the theory of quantum electrodynamics itself.
Gaponov and Khafizov calculated the photon energy spectrum and branching ratio within a quantum electrodynamics framework [2], while Bernard et al.
Freeman Dyson, a cofounder of quantum electrodynamics, explains what the theorem proves, namely that, 'no finite set of axioms and rules of inference can ever encompass the whole of mathematics.
He goes on various tangents about his most important work, trying in bits and pieces to explain his still-governing theory of quantum electrodynamics (thus the rifle, which also refers to the Latin acronym often seen at the end of complex mathematical solutions).
And a comely student (played by Allison Smith) from one of his classes keeps arriving, hoping to ask an important question that has nothing to do with quantum electrodynamics.
In a similar daunting research challenge a decade ago, researchers created a computer capable of simulating the grand unified theory of quantum electrodynamics, what physicists see as the standard theory of the forces of nature.
These processes have applications in many areas of applied and basic science; especially physics that involves a more complete understanding of quantum electrodynamics and the deeper insights into the role of atomic structure in modeling scattering from bound target electrons (ANL/APS 1996).
Her father is Freeman Dyson, renowned in science circles for his work in quantum electrodynamics, and appreciated far beyond academia for his futurist books, the most recent being "Imagined Worlds.
This is the size limit set for any internal component of the electron, based on careful comparisons between experiment and the predictions of quantum electrodynamics.
The heroic labours of a small number of men overcame seemingly intractable hurdles to create a theory, Lorentz-invariant quantum electrodynamics (QED), which to this day forms the cornerstone of high-energy physics.
In this way, Gell-Mann founded the study of quantum chromodynamics, on the model of quantum electrodynamics, which had proved to work so well (see 1948).
Part 4 Semiconductor cavity quantum electrodynamics (QED): All-solid-state quantum optics employing quantum dots in photonic crystals
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