Fermi surface and antiferromagnetism in the Kondo lattice: an asymptotically exact solution in d>1 Dimensions

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dc.creatorYamamoto, Seiji J.
dc.creatorSi, Qimiao
dc.date2006-10-02
dc.date2007-12-27
dc.date.accessioned2026-07-07T08:51:20Z
dc.date.available2026-07-07T08:51:20Z
dc.descriptionInterest in the heavy fermion metals has motivated us to examine the quantum phases and their Fermi surfaces within the Kondo lattice model. We demonstrate that the model is soluble asymptotically exactly in any dimension d>1, when the Kondo coupling is small compared with the RKKY interaction and in the presence of antiferromagnetic ordering. We show that the Kondo coupling is exactly marginal in the renormalization group sense, establishing the stability of an ordered phase with a small Fermi surface, AFs. Our results have implications for the global phase diagram of the heavy fermion metals, suggesting a Lifshitz transition inside the antiferromagnetic region and providing a new perspective for a Kondo-destroying antiferromagnetic quantum critical point.
dc.description4 pages, 4 figures; (v2) corrected typos and added reference/acknowledgment; (v3) version as published in Physical Review Letters (July, 2007)
dc.identifierhttps://arxiv.org/abs/cond-mat/0610001
dc.identifierhttp://arxiv.org/abs/cond-mat/0610001
dc.identifierPhys. Rev. Lett. 99, 016401 (2007)
dc.identifierdoi:10.1103/PhysRevLett.99.016401
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/144904
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleFermi surface and antiferromagnetism in the Kondo lattice: an asymptotically exact solution in d>1 Dimensions
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