 quantum electrodynamics

the study of the interaction of electromagnetic radiation with electrically charged matter within the framework of relativity and quantum mechanics
Wikipedia foundation.
Wikipedia foundation.
Quantum electrodynamics — (QED) is a relativistic quantum field theory of electrodynamics. QED was developed by a number of physicists, beginning in the late 1920s. It basically describes how light and matter interact. More specifically it deals with the interactions… … Wikipedia
quantum electrodynamics — [with sing. v.] n. Physics a theory that applies the principles of the quantum theory to electrodynamics: it describes how photons interact electromagnetically with electrons, protons, etc … English World dictionary
quantum electrodynamics — kvantinė elektrodinamika statusas T sritis fizika atitikmenys: angl. quantum electrodynamics vok. Quantenelektrodynamik, f rus. квантовая электродинамика, f pranc. électrodynamique quantique, f … Fizikos terminų žodynas
quantum electrodynamics — quantum theory of electromagnetic radiation and its interaction with atom particles and electrically charged atoms (Quantum Mechanics) … English contemporary dictionary
quantum electrodynamics — Physics. the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbr.: QED [1925 30] * * * ▪ physics quantum field theory of the interactions of charged (electric charge)… … Universalium
quantum electrodynamics — noun a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons • Syn: ↑QED • Hypernyms: ↑quantum field theory … Useful english dictionary
quantum electrodynamics — noun plural but usually singular in construction Date: 1927 quantum mechanics applied to electrical interactions (as between nuclear particles) … New Collegiate Dictionary
quantum electrodynamics — quan′tum electrodynam′ics n. phs (used with a sing. v.) the quantum mechanical theory of the electromagnetic field and its interaction with electrons and positrons Abbr.: QED • Etymology: 1925–30 … From formal English to slang
quantum electrodynamics — (QED) A relativistic quantum theory of electromagnetic interactions. It provides a description of the interaction of electrons, muons and photons and hence the underlying theory of all electromagnetic phenomena … Dictionary of automotive terms
quantum electrodynamics (QED) — Quantum theory of the interactions of charged particles with the electromagnetic field. It describes the interactions of light with matter as well as those of charged particles with each other. Its foundations were laid by P. A. M. Dirac when he… … Universalium