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- Title
Simplifying calculations in real time finite temperature field theory.
- Authors
Fugleberg, T; Carrington, M E
- Abstract
In this paper, we discuss a Mathematica program that we have written that calculates the integrand for amplitudes in the closed-time-path formulation of real-time finite-temperature field theory. The program is designed to be used by someone with no previous experience with Mathematica. It performs contractions over tensor indices that appear in real-time finite-temperature field theory and gives the result in the 1-2, Keldysh or R/A basis. As an illustration of this program, we discuss the calculation of all 3-point ward identities in finite-temperature quantum electrodynamics with full vertices. PACS Nos.: 11.10.Wx,11.15.-q
- Subjects
QUANTUM theory; QUANTUM electrodynamics; QUANTUM field theory; QUANTUM electronics; CONTINUUM mechanics; WOLFRAM language (Computer program language)
- Publication
Canadian Journal of Physics, 2007, Vol 85, Issue 6, p671
- ISSN
0008-4204
- Publication type
Article
- DOI
10.1139/P07-065