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Extended Mermin‐like Dielectric Function for a Two‐Component Plasma
Author(s) -
Selchow A.,
Röpke G.,
Wierling A.
Publication year - 2002
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(200201)42:1<43::aid-ctpp43>3.0.co;2-3
Subject(s) - ansatz , component (thermodynamics) , plasma , dielectric , physics , hamiltonian (control theory) , dielectric function , relaxation (psychology) , function (biology) , classical mechanics , quantum electrodynamics , quantum mechanics , mathematics , mathematical optimization , psychology , social psychology , evolutionary biology , biology
The Mermin dielectric function is extended by including energy conservation. Within the framework of the relaxation time ansatz, the Zubarev approach to linear response theory is used which allows to incorporate the exact Hamiltonian dynamics of the relevant degrees of freedom. Analytical expressions for the dielectric function in the entire ( k , w )‐plane are given for a two‐component plasma.