Unusual 1/T3 temperature dependence of the Hall conductivity in YBa2Cu3O7-

T. R. Chien, D. A. Brawner, Z. Z. Wang, Nai Phuan Ong

Research output: Contribution to journalArticle

73 Scopus citations

Abstract

Measurements of the Hall coefficient RH and resistivity a of YBa2Cu3O7 disclose anomalies in their temperature (T) dependences. The 1/RH vs T curve has a negative curvature, while da/dT displays a previously unreported step near 290 K. The Hall conductivity H follows an unusual 1/T3 dependence from 100 to 360 K. We contrast the results with predictions of conventional Bloch theory, and compare them with recent calculations based on large-U models. Implications for cyclotron damping at low T are discussed.

Original languageEnglish (US)
Pages (from-to)6242-6245
Number of pages4
JournalPhysical Review B
Volume43
Issue number7
DOIs
StatePublished - Jan 1 1991

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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