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Variational Method for the Calculation of Plasma Phase Diagrams in the Path Integral Representation
Author(s) -
Madzhulis I.,
Frishfelds V.
Publication year - 2001
Publication title -
contributions to plasma physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0863-1042
DOI - 10.1002/1521-3986(200107)41:4<311::aid-ctpp311>3.0.co;2-e
Subject(s) - propagator , path integral formulation , coulomb , representation (politics) , fermion , physics , plasma , phase diagram , expression (computer science) , phase (matter) , field (mathematics) , quantum electrodynamics , mathematical physics , statistical physics , quantum mechanics , mathematics , computer science , electron , pure mathematics , politics , political science , law , quantum , programming language
The formal general expression of thermodynamic potential of fermion system is obtained by representation of Coulomb interaction with functional integral and formal introduction of complex field. The variational method of the thermodynamic potential with respect to field cumulants is elaborated. The phase diagrams are constructed at first approximation of fermion propagator.