Symmetry-breaking Fermi surface deformations from central interactions in two dimensions

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We present a mean field theory of the Pomeranchuk instability in two dimensions, starting from a generic central interaction potential described in terms of a few microscopic parameters. For a significant range of parameters, the instability is found to be pre-empted by a first-order quantum phase transition. We provide the ground state phase diagram in terms of our generic parameters.
9 pages, 3 figures

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Strongly Correlated Electrons, Statistical Mechanics

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http://salesiana.dossiersoluciones.com/handle/123456789/165944

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0805.4623
 http://arxiv.org/abs/0805.4623
 Phys. Rev. B 78, 035131 (2008) (Editors' suggestion)
 doi:10.1103/PhysRevB.78.035131

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arXiv