Infrared hall effect in high-Tc superconductors: Evidence for non-fermi-liquid hall scattering

J. Černe, M. Grayson, D. C. Schmadel, G. S. Jenkins, H. D. Drew, R. Hughes, A. Dabkowski, J. S. Preston, P. J. Kung

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Infrared (20–120 and 900–1100cm-1) Faraday rotation and circular dichroism are measured in high- Tc superconductors using sensitive polarization modulation techniques. Optimally doped YBa2Cu3O7 thin films are studied at temperatures in the range (15< T < 300K) and magnetic fields up to 8 T. At 1000cm-1 the Hall conductivity σxy varies strongly with temperature in contrast to the longitudinal conductivity σxy which is nearly independent of temperature. The Hall scattering rate γH has a T2 temperature dependence but, unlike a Fermi liquid, depends only weakly on frequency. The experiment puts severe constraints on theories of transport in the normal state of high- Tc superconductors.

Original languageEnglish (US)
Pages (from-to)3418-3421
Number of pages4
JournalPhysical review letters
Volume84
Issue number15
DOIs
StatePublished - 2000

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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