Consistent Description of the Metallic Phase of Overdoped Cuprate Superconductors as an Anisotropic Marginal Fermi Liquid

J. Kokalj and Ross H. McKenzie
Phys. Rev. Lett. 107, 147001 – Published 26 September 2011
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We consider a model self-energy consisting of an isotropic Fermi liquid term and a marginal Fermi liquid term which is anisotropic over the Fermi surface, vanishing in the same directions as the superconducting gap and the pseudogap. This model self-energy gives a consistent description of experimental results from angle-dependent magnetoresistance, specific heat, de Haas–van Alphen, and measurements of the quasiparticle dispersion near the Fermi surface from photoemission. In particular, we reconcile the strongly doping-dependent anomalous scattering rate observed in angle-dependent magnetoresistance with the almost doping-independent specific heat.

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  • Received 22 May 2011


© 2011 American Physical Society

Authors & Affiliations

J. Kokalj* and Ross H. McKenzie

  • School of Mathematics and Physics, University of Queensland, Brisbane, 4072 Queensland, Australia

  • *On leave from J. Stefan Institute, Ljubljana, Slovenia.

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Vol. 107, Iss. 14 — 30 September 2011

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