Wick’s theorem

Wick’s theorem
Viko teorema statusas T sritis fizika atitikmenys: angl. Wick’s theorem vok. Wickscher Satz, m rus. теорема Вика, f pranc. théorème de Wick, m

Fizikos terminų žodynas : lietuvių, anglų, prancūzų, vokiečių ir rusų kalbomis. – Vilnius : Mokslo ir enciklopedijų leidybos institutas. . 2007.

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  • Wick's theorem — is a method of reducing high order derivatives to a combinatorics problem.(Philips, 2001) It is named after Gian Carlo Wick. It is used extensively in quantum field theory to reduce arbitrary products of creation and annihilation operators to… …   Wikipedia

  • Wick product — In probability theory, the Wick product:langle X 1,dots,X k angle,named after physicist Gian Carlo Wick, is a sort of product of the random variables, X 1, ..., X k , defined recursively as follows::langle angle = 1,(i.e. the empty product… …   Wikipedia

  • Gian-Carlo Wick — (1909 1992) was an Italian theoretical physicist. The Wick rotation, Wick s theorem, and the Wick product are named after him.External links* [http://stills.nap.edu/html/biomems/gwick.html Wick s biography at the website of National Academies… …   Wikipedia

  • théorème de Wick — Viko teorema statusas T sritis fizika atitikmenys: angl. Wick’s theorem vok. Wickscher Satz, m rus. теорема Вика, f pranc. théorème de Wick, m …   Fizikos terminų žodynas

  • Gian-Carlo Wick — Gian Carlo Wick, 1963 in Kopenhagen Gian Carlo Wick (* 15. Oktober 1909 in Turin; † 20. April 1992 in Turin) war ein italienischer Physiker, der wichtige Beiträge zur Quantenfeldtheorie leistete …   Deutsch Wikipedia

  • Bell's theorem — is a theorem that shows that the predictions of quantum mechanics (QM) are not intuitive, and touches upon fundamental philosophical issues that relate to modern physics. It is the most famous legacy of the late physicist John S. Bell. Bell s… …   Wikipedia

  • Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… …   Wikipedia

  • Normal order — For other uses, see Normal order (disambiguation). In quantum field theory a product of quantum fields, or equivalently their creation and annihilation operators, is usually said to be normal ordered (also called Wick order) when all creation… …   Wikipedia

  • Debashis Mukherjee — At the 12th ICQC in Kyoto, 2006 Born 17 December 1946( …   Wikipedia

  • Wightman axioms — Quantum field theory (Feynman diagram) …   Wikipedia

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