quantum theory of light
41Delayed choice quantum eraser — Quantum mechanics Uncertainty principle …
42Theory of relativity — This article is about the scientific concept. For philosophical or sociological theories about relativity, see Relativism. For the silent film, see The Einstein Theory of Relativity. Two dimensional projection of a three dimensional analogy of… …
43quantum 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)… …
44Measurement in quantum mechanics — Quantum mechanics Uncertainty principle …
45quantum field theory — Physics. any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated. [1945 50] * * * Theory that brings quantum …
46Theory — The word theory has many distinct meanings in different fields of knowledge, depending on their methodologies and the context of discussion.In science a theory is a testable model of the manner of interaction of a set of natural phenomena,… …
47Quantum dot solar cell — Spin cast quantum dot solar cell built by the Sargent Group at the University of Toronto. The metal disks on the front surface are the electrical connections to the layers below. Quantum dot solar cells are an emerging field in solar cell… …
48Quantum inequalities — IntroductionQuantum inequalities are local constraints on the magnitude and extent of distributions of negative energy density in space time. Initially conceived to clear up a long standing problem in quantum field theory (namely, the potential… …
49quantum computer — ▪ computer science device that employs properties described by quantum mechanics to enhance computations. As early as 1959 the American physicist and Nobel laureate Richard Feynman (Feynman, Richard P.) noted that, as electronic… …
50Light dressed state — In the fields of atomic, molecular, and optical science, the term light dressed state refers to a quantum state of an atomic or molecular system interacting with a laser light in terms of the Floquet picture, i.e. roughly like an atom or a… …
