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BCS theory of superconductivity

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  • BCS theory — is a microscopic theory of superconductivity, proposed by Bardeen, Cooper, and Schrieffer. It describes superconductivity as a microscopic effect caused by Bose condensation of pairs of electrons.HistoryBCS theory was developed in 1957 by John… …   Wikipedia

  • BCS theory — Physics. a general quantum theory of superconductivity that describes many properties of superconducting materials. Also called Bardeen Cooper Schrieffer theory. [after U.S. physicists J. BARDEEN, Leon N. Cooper (born 1930), and John R.… …   Universalium

  • BCS theory — Physics. a general quantum theory of superconductivity that describes many properties of superconducting materials. Also called Bardeen Cooper Schrieffer theory. [after U.S. physicists J. BARDEEN, Leon N. Cooper (born 1930), and John R.… …   Useful english dictionary

  • Superconductivity — is a phenomenon occurring in certain materials generally at very low temperatures, characterized by exactly zero electrical resistance and the exclusion of the interior magnetic field (the Meissner effect).The electrical resistivity of a metallic …   Wikipedia

  • BCS — may refer to:American football* Bowl Championship Series, a system that selects matchups for college football bowl games * BCS National Championship Game, the final bowl game of the annual Bowl Championship Series * BCS conference, the six major… …   Wikipedia

  • superconductivity — superconduction /sooh peuhr keuhn duk sheuhn/, n. superconductive /sooh peuhr keuhn duk tiv/, superconducting, adj. superconductor /sooh peuhr keuhn duk teuhr/, n. /sooh peuhr kon deuhk tiv i tee/, n. Physics. the phenomenon of almost perfect… …   Universalium

  • Effective field theory — In physics, an effective field theory is an approximate theory (usually a quantum field theory) that includes appropriate degrees of freedom to describe physical phenomena occurring at a chosen length scale, while ignoring substructure and… …   Wikipedia

  • Quantum field theory — In quantum field theory (QFT) the forces between particles are mediated by other particles. For instance, the electromagnetic force between two electrons is caused by an exchange of photons. But quantum field theory applies to all fundamental… …   Wikipedia

  • Werthamer–Helfand–Hohenberg theory — This theory was proposed in 1966 [ N. R. Werthamer, E. Helfand, P. C. Hohenberg: Phys. Rev. 147 (1966) 295 ] to go beyond BCS theory of superconductivity and it provides predictions of upper critical field (Hc2) in type II superconductors… …   Wikipedia

  • High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… …   Wikipedia

  • Theorie BCS — Théorie BCS Pour les articles homonymes, voir BCS. La théorie BCS est une théorie complète de la supraconductivité qui fut proposée en 1957 par John Bardeen, Leon Neil Cooper, et John Robert Schrieffer. Elle explique la supraconductivité par la… …   Wikipédia en Français

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