- operator product expansion
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English-russian dictionary of physics. 2013.
operator product expansion
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Operator product expansion — Contents 1 2D Euclidean quantum field theory 2 General 3 See also 4 External links 2D Euclidean quantum field theory … Wikipedia
Vertex operator algebra — In mathematics, a vertex operator algebra (VOA) is an algebraic structure that plays an important role in conformal field theory and related areas of physics. They have proven useful in purely mathematical contexts such as monstrous moonshine and … Wikipedia
Cross product — This article is about the cross product of two vectors in three dimensional Euclidean space. For other uses, see Cross product (disambiguation). In mathematics, the cross product, vector product, or Gibbs vector product is a binary operation on… … Wikipedia
Triple product — This article is about the mathematical product. For the product in nuclear fusion, see Lawson criterion. In mathematics, the triple product is a product of three vectors. The name triple product is used for two different products, the scalar… … Wikipedia
Difference operator — In mathematics, a difference operator maps a function, f ( x ), to another function, f ( x + a ) − f ( x + b ).The forward difference operator :Delta f(x)=f(x+1) f(x),occurs frequently in the calculus of finite differences, where it plays a role… … Wikipedia
Wallis product — In mathematics, Wallis product for pi;, written down in 1655 by John Wallis, states that: prod {n=1}^{infty} frac{(2n)(2n)}{(2n 1)(2n+1)} = frac{2}{1} cdot frac{2}{3} cdot frac{4}{3} cdot frac{4}{5} cdot frac{6}{5} cdot frac{6}{7} cdot frac{8}{7} … 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
Quantum chromodynamics — Standard model of particle physics Standard Model … Wikipedia
Kenneth Wilson — Kenneth Geddes Wilson (* 8. Juni 1936 in Waltham, Massachusetts) ist ein US amerikanischer Physiker und Nobelpreisträger. Wilson, der Sohn von Edgar Bright Wilson, studierte als Putnam Fellow an der Universität Harvard und promovierte 1961 am… … Deutsch Wikipedia
Butcher group — In mathematics, the Butcher group, named after the New Zealand mathematician John C. Butcher by Hairer Wanner (1974), is an infinite dimensional group first introduced in numerical analysis to study solutions of non linear ordinary differential… … Wikipedia
Kenneth G. Wilson — Kenneth Geddes Wilson (* 8. Juni 1936 in Waltham, Massachusetts) ist ein US amerikanischer Physiker. Wilson studierte als Putnam Fellow an der Universität Harvard und promovierte 1961 am Caltech bei Murray Gell Mann. 1963 wurde er… … Deutsch Wikipedia
