Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-02-25
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, no figures
Scientific paper
Charret et. al. applied the properties of the Grassmann generators to develop a new method to calculate the coefficients of the high temperature expansion of the grand canonical partition function of self-interacting fermionic models in any d-dimensions (d>=1). The method explores the anti-commuting nature of fermionic fields and avoids the calculation of the fermionic path integral. We apply this new method to the relativistic free Dirac fermions and recover the known results in the literature.
de Souza Sergio Martins
Santos Rojas O.
Thomaz M. T.
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