1996/06/30 by M. E. Carrington, M.E. Carrington, U. Heinz · 4 citations
Mathematics · Physics and Astronomy · #Algebraic structures and combinatorial models #Mathematical functions and polynomials #Tensor decomposition and applications #hep-ph #hep-th
paper · pdf · doi:10.1007/s100520050110
published as Eur.Phys.J.C1:619-625,1998 · 21 pages LaTeX; one ps-figure; Revised version, contains more references and discussion
arxiv created 1997/03/13 · openalex publication_date 1998/02/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We study 3-point functions at finite temperature in the closed time path formalism. We give a general decomposition of the eight component tensor in terms of seven vertex functions. We derive a spectral representation for these seven functions in terms of two independent real spectral functions. We derive relationships between the seven functions and obtain a representation of the vertex tensor that greatly simplifies calculations in real time.