Properties of the Two-Dimensional Electron Gas Close to the Fermi-Liquid Quantum Critical Point

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dc.creatorBaldo, M.
dc.creatorBorisov, V. V.
dc.creatorClark, J. W.
dc.creatorKhodel, V. A.
dc.creatorZverev, M. V.
dc.date2007-03-18
dc.date.accessioned2026-07-07T07:52:26Z
dc.date.available2026-07-07T07:52:26Z
dc.descriptionThe rearrangement of single-particle degrees of freedom of a dilute two-dimensional electron gas in the vicinity of the quantum critical point is examined within a microscopic approach. It is shown that just beyond the critical point, the Landau state undergoes self-consistent rearrangement of the quasiparticle spectrum and momentum distribution. At very low temperatures, there emerges a multi-connected quasiparticle momentum distribution. With increasing temperature, two crossovers occur: a fermion condensate appears in the first and disappears in the second, giving way to universal non-Fermi-liquid behavior. Manifestations of these crossovers in thermodynamic properties of the electron gas are studied and characterized. The four quasiparticle phases predicted to exist in the vicinity of the critical point are collected in a schematic phase diagram.
dc.description11 pages, 11 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0703471
dc.identifierhttp://arxiv.org/abs/cond-mat/0703471
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/125881
dc.subjectStrongly Correlated Electrons
dc.titleProperties of the Two-Dimensional Electron Gas Close to the Fermi-Liquid Quantum Critical Point
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