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hep-lat1995★ 5 cited
SPHERICALLY SYMMETRIC RANDOM WALKS I. REPRESENTATION IN TERMS OF ORTHOGONAL POLYNOMIALS
Carl M. Bender, Peter N. Meisinger, Fred Cooper
Spherically symmetric random walks in arbitrary dimension can be described in terms of Gegenbauer (ultraspherical) polynomials. For example, Legendre polynomials can be used to…
hep-th1995★ 1 cited
Nonequilibrium problems in quantum field theory and Schwinger's Closed Time Path formalism
Fred Cooper
We review the closed time path formalism of Schwinger using a path integral approach. We apply this formalism to the study of pair production from strong external fields as well as…