quantum theory of light

  • 51quantum — /kwon teuhm/, n., pl. quanta / teuh/, adj. n. 1. quantity or amount: the least quantum of evidence. 2. a particular amount. 3. a share or portion. 4. a large quantity; bulk. 5. Physics. a. the smallest quantity of radiant energy, equal to Planck… …

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  • 52quantum chromodynamics — Physics. a quantum field theory that describes quarks and gluons and their interactions, with the color of the quarks playing a role analogous to that of electric charge. Abbr.: QCD Also called chromodynamics. Cf. color (def. 18). [1975 80] * * * …

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  • 53Quantum (comics) — Superherobox| caption= comic color=background:#ff8080 character name=Quantum real name=unrevealed species=Dakkamite publisher=Marvel Comics debut= West Coast Avengers , Volume 2, #12 (September 1986) creators=Steve Englehart and Al Milgrom… …

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  • 54Quantum amplifier — In physics, the term quantum amplifier may refer to any device, which use some non classical (quantum) effects for amplification of signal. In this sense, the active element of an optical laser can be considered as quantum amplifier.The weak… …

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  • 55theory — A reasoned explanation of known facts or phenomena that serves as a basis of investigation by which to seek the truth. SEE ALSO: hypothesis, postulate. [G. theoria, a beholding, speculation, t., fr. theoros, a beholder] adsorption t. of narcosis… …

    Medical dictionary

  • 56quantum field theory — noun 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 • Hypernyms: ↑quantum physics • Hyponyms: ↑quantum… …

    Useful english dictionary

  • 57Introduction to quantum mechanics — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Quantum mechanics. Quantum mechanics …

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  • 58Faster-than-light — (also superluminal or FTL) communications and travel refer to the propagation of information or matter faster than the speed of light. Science fiction style space travel, dubbed true FTL, defies known physics.Under the special theory of… …

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  • 59Criticism of relativity theory — Criticism of Albert Einstein s theory of relativity was mainly expressed in the early years after its publication on a scientific, pseudoscientific, philosophical, or ideological basis. Reasons for criticism were, for example, alternative… …

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  • 60Relational quantum mechanics — This article is intended for those already familiar with quantum mechanics and its attendant interpretational difficulties. Readers who are new to the subject may first want to read the introduction to quantum mechanics. Relational quantum… …

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