Magnetic-Field Dependence of the YbRh2Si2 Fermi Surface

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dc.creatorRourke, P. M. C.
dc.creatorMcCollam, A.
dc.creatorLapertot, G.
dc.creatorKnebel, G.
dc.creatorFlouquet, J.
dc.creatorJulian, S. R.
dc.date2008-07-24
dc.date2009-02-03
dc.date.accessioned2026-07-07T12:36:42Z
dc.date.available2026-07-07T12:36:42Z
dc.descriptionMagnetic-field-induced changes of the Fermi surface play a central role in theories of the exotic quantum criticality of YbRh2Si2. We have carried out de Haas-van Alphen measurements in the magnetic-field range 8 T <= H <= 16 T, and directly observe field dependence of the extremal Fermi surface areas. Our data support the theory that a low-field "large" Fermi surface, including the Yb 4f quasihole, is increasingly spin split until a majority-spin branch undergoes a Lifshitz transition and disappears at H0 ~ 10 T, without requiring 4f localization at H0.
dc.description4 pages, 5 figures, 1 table
dc.identifierhttps://arxiv.org/abs/0807.3970
dc.identifierhttp://arxiv.org/abs/0807.3970
dc.identifierPhys. Rev. Lett. 101, 237205 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.237205
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218187
dc.subjectStrongly Correlated Electrons
dc.titleMagnetic-Field Dependence of the YbRh2Si2 Fermi Surface
dc.typetext

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