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Theory of Disordered Systems.II. Functional Equation of tho Self‐Energy
Author(s) -
Puff H.
Publication year - 1972
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220520113
Subject(s) - particle system , statistical physics , density functional theory , series (stratigraphy) , functional equation , physics , energy (signal processing) , differential equation , mathematics , quantum mechanics , computer science , operating system , paleontology , biology
The self‐energy of a disordered system, which is described as an ensemble average of non‐interacting electron systems of well‐defined configurations, is defined as a functional of the one‐particle funestion of the disordered systems as well as of the totality of its potential correlations by means of a functional‐differential equation. Relations to the theory developed in the first part of this series [1] are outlined.
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