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Title: Variational analysis of the Gross-Neveu model in an S^1 space
Author: Soto Riera, Joan
Keywords: Teoria quàntica de camps
Quantum field theory
Issue Date: 1988
Publisher: The American Physical Society
Abstract: The Gross-Neveu model in an S^1 space is analyzed by means of a variational technique: the Gaussian effective potential. By making the proper connection with previous exact results at finite temperature, we show that this technique is able to describe the phase transition occurring in this model. We also make some remarks about the appropriate treatment of Grassmann variables in variational approaches.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review D, 1988, vol. 37, núm. 4, p. 1086-1089
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ISSN: 0556-2821
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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