Sign Change of the Flux Flow Hall Effect in HTSC

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A novel mechanism for the sign change of the Hall effect in the flux flow region is proposed. The difference $δn $ between the electron density at the center of the vortex core and that far outside the vortex causes the additional contribution to the Hall conductivity $δσ_{xy}=-δn ec/B$. This contribution can be larger than the conventional one in the dirty case $Δ(T)τ<1$. If the carrier density inside the core exceeds that far outside, a double sign change may occur as a function of temperature.
12 pages Latex, no figures, submitted to PRL

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/97563

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9503082
 http://arxiv.org/abs/cond-mat/9503082

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arXiv