Finite temperature many-particle theory of condensed matter systems in the functional Schroedinger picture

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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.
12pages, to appear in Int. J. Mod. Phys. B

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/151740

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9703101
 http://arxiv.org/abs/cond-mat/9703101

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arXiv