Magnetoresistance in the Two-Channel Anderson Lattice

F. B. Anders, Mark Jarrell, and D. L. Cox
Phys. Rev. Lett. 78, 2000 – Published 10 March 1997
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Abstract

The paramagnetic phase of the two-channel Anderson lattice model in the Kondo limit is investigated in infinite spatial dimensions using the noncrossing approximation. The resistivity exhibits a Kondo upturn with decreasing T, followed by a slow decrease to a finite value at T=0. The decrease reflects lattice coherence effects in concert with particle-hole symmetry breaking. The magnetoresistance obeys an approximate scaling relation, decreasing towards coherent Fermi liquid behavior with increasing field. The magnetic field induces a Drude peak in the optical conductivity.

  • Received 20 September 1996

DOI:https://doi.org/10.1103/PhysRevLett.78.2000

©1997 American Physical Society

Authors & Affiliations

F. B. Anders1, Mark Jarrell2, and D. L. Cox1

  • 1Department of Physics, The Ohio State University, Columbus, Ohio 43210
  • 2Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221

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Vol. 78, Iss. 10 — 10 March 1997

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