Dynamical correlation functions expressed in terms of many-particle ground-state wavefunction; the dynamical self-energy operator

Details Dynamical correlation functions expressed in terms of many-particle ground-state wavefunction; the dynamical self-energy operator Dynamical correlation functions expressed in terms of many-particle ground-state wavefunction; the dynamical self-energy operator

2001-10-22

arxiv.org/abs/cond-mat/0110481v2

Phil. Mag. B, Vol. 82, No. 14, 1413-1610 (2002)

Physics

Condensed Matter

Strongly Correlated Electrons

119 pages, 6 postscript figures. Brought the text in conformity with the published version, and corrected the coefficients of

Scientific paper

10.1080/13642810210148801

We present the explicit expressions for the (regularized) terms in the large-epsilon asymptotic series of in particular the self-energy operator pertaining to arbitrary systems of interacting spin-s fermions in d spatial dimensions and deduce a variety of exact results concerning the general properties of this operator. We give especial attention to systems of spin-1/2 fermions in d=3 interacting through the Coulomb potential. [Short Abstract]

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