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Formulation of Hubbard's Solution Including Scattering and Broadening Corrections in Terms of the Coherent Potential Scheme
Author(s) -
Weller W.,
Gobsch G.
Publication year - 1973
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.2220600234
Subject(s) - hubbard model , scattering , physics , consistency (knowledge bases) , distribution function , statistical physics , function (biology) , distribution (mathematics) , scheme (mathematics) , quantum mechanics , quantum electrodynamics , mathematics , mathematical analysis , discrete mathematics , superconductivity , evolutionary biology , biology
Abstract It is shown that Hubbard's solution of the Hubbard model with inclusion of the scattering and also the broadening corrections can be written as the solution of the single‐site CPA self‐consistency condition with a continuous distribution function for the stochastic variables. The distribution function is determined and discussed.