Hall effect of vortices parallel to layers and the origin of the negative Hall anomaly in
- 30 August 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 71 (9), 1455-1458
- https://doi.org/10.1103/physrevlett.71.1455
Abstract
The Hall resistivity of vortices that lie parallel to the layers in is shown to be negative, in contrast with the Hall effect observed with field perpendicular to the layers (H∥c). 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 H∥c). We show that the anomaly arises from the negative sign of the interlayer segments produced by strong fluctuations about the direction of H.
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