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Finite temperature many-particle theory of condensed matter systems in the functional Schroedinger picture | | Hyun Sik Noh
; Sang Koo You
; Chul Koo Kim
; | | Date: |
11 Mar 1997 | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Affiliation: | Hanlyo University), Sang Koo You, Chul Koo Kim (Yonsei University | | Abstract: | A finite temperature many-particle theory of condensed matter systems is formulated using the functional Schroedinger picture. Using the interacting electron gas as a model system, we solve the equation of motion for the density matrix variationally with a Gaussian type trial density matrix. We show that the present formalism yields the finite temperature Hartree-Fock results both for the para- and ferromagnetic states in a simple and convenient fashion. Implications of the present results and future prospects are also discussed. | | Source: | arXiv, cond-mat/9703101 | | Services: | Forum | Review | PDF | Favorites | |
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