Hall effect of vortices parallel to CuO2 layers and the origin of the negative Hall anomaly in YBa2Cu3O7-δ

J. M. Harris, Nai Phuan Ong, Y. F. Yan

Research output: Contribution to journalArticle

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Abstract

The Hall resistivity of vortices that lie parallel to the CuO2 layers in YBa2Cu3O7-δ is shown to be negative, in contrast with the Hall effect observed with field perpendicular to the layers (Hc). The Magnus force component along the current is opposite in sign for vortices that lie parallel and perpendicular to the layers. In an oblique field, the opposing forces strongly influence vortex motion. This finding provides new insights into negative Hall anomaly (observed with Hc). We show that the anomaly arises from the negative sign of the interlayer segments produced by strong fluctuations about the direction of H.

Original languageEnglish (US)
Pages (from-to)1455-1458
Number of pages4
JournalPhysical Review Letters
Volume71
Issue number9
DOIs
StatePublished - Jan 1 1993

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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