Nonanalytic corrections to the specific heat and susceptibility of a non-Galilean-Invariant Two-Dimensional Fermi Liquid

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dc.creatorChubukov, Andrey V.
dc.creatorMillis, Andrew J.
dc.date2006-04-20
dc.date.accessioned2026-07-07T07:05:39Z
dc.date.available2026-07-07T07:05:39Z
dc.descriptionWe consider the leading non-analytic temperature dependence of the specific heat and temperature and momentum dependence of the spin susceptibility for two dimensional fermionic systems with non-circular Fermi surfaces. We demonstrate the crucial role played by Fermi surface curvature. For a Fermi surface with inflection points, we demonstrate that thermal corrections to the uniform susceptibility in D=2 change from $χ_{s} \propto T$ to $χ_{s} \propto T^{2/3}$ for generic inflection points, and to $χ_{s} \propto T^{1/2}$ for special inflection points along symmetry directions. Errors in previous work are corrected. Application of the results to $Sr_2RuO_4$ is given.
dc.identifierhttps://arxiv.org/abs/cond-mat/0604496
dc.identifierhttp://arxiv.org/abs/cond-mat/0604496
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/109742
dc.subjectStrongly Correlated Electrons
dc.titleNonanalytic corrections to the specific heat and susceptibility of a non-Galilean-Invariant Two-Dimensional Fermi Liquid
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