Schwinger function

См. также в других словарях:

• Schwinger function — In quantum field theory, the Wightman distributions can be analytically continued to analytic functions in Euclidean space with the domain restricted to the ordered set of points in Euclidean space with no coinciding points. These functions are… …   Wikipedia

• Schwinger's variational principle — In Schwinger s variational approach to quantum field theory, introduced by Julian Schwinger, the quantum action is an operator. Although this approachis superficially different from the functional integral(path integral) where the action is a… …   Wikipedia

• Schwinger-Dyson equation — The Schwinger Dyson equation, named after Julian Schwinger and Freeman Dyson, is an equation of quantum field theory (QFT). Given a polynomially bounded functional F over the field configurations, then, for any state vector (which is a solution… …   Wikipedia

• Julian Schwinger — Infobox Scientist name =Julian Schwinger imagesize = 180px caption = birth date = birth date|1918|2|12|mf=y birth place = New York City, New York, USA death date = death date and age|1994|7|16|1918|2|12 death place = Los Angeles, California, USA… …   Wikipedia

• Lippmann-Schwinger equation — The Lippmann Schwinger equation (named after Bernard A. Lippmann and Julian Schwinger) is of importance to scattering theory. The equation is: | psi^{(pm)} angle = | phi angle + frac{1}{E H 0 pm i epsilon} V |psi^{(pm)} angle. ,DerivationWe will… …   Wikipedia

• Hurwitz zeta function — In mathematics, the Hurwitz zeta function, named after Adolf Hurwitz, is one of the many zeta functions. It is formally defined for complex arguments s with Re( s )>1 and q with Re( q )>0 by:zeta(s,q) = sum {n=0}^infty frac{1}{(q+n)^{sThis series …   Wikipedia

• Correlation function (quantum field theory) — For other uses, see Correlation function (disambiguation). Quantum field theory …   Wikipedia

• Rarita-Schwinger equation — In theoretical physics, the Rarita Schwinger equation is the relativistic field equation of spin 3/2 fermions. It is similar to the Dirac equation for spin 1/2 fermions. This equation was first introduced by William Rarita and Julian Schwinger in …   Wikipedia

• List of mathematics articles (S) — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… …   Wikipedia

• Effective action — In quantum field theory, the effective action is a modified expression for the action, which takes into account quantum mechanical corrections, in the following sense: In classical mechanics, the equations of motion can be derived from the action …   Wikipedia

• Wick rotation — In physics, Wick rotation, named after Gian Carlo Wick, is a method of finding a solution to a problem in Minkowski space from a solution to a related problem in Euclidean space, by analytic continuation.It is motivated by the observation that… …   Wikipedia