The Anomalous Hall effect in re-entrant AuFe alloys and the real space Berry phase

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The Hall effect has been studied in a series of AuFe samples in the re-entrant concentration range, as well as in the spin glass range. The data demonstrate that the degree of canting of the local spins strongly modifies the anomalous Hall effect, in agreement with theoretical predictions associating canting, chirality and a real space Berry phase. The canonical parametrization of the Hall signal for magnetic conductors becomes inappropriate when local spins are canted.
4 pages, 1 eps figure

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Disordered Systems and Neural Networks, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/25720

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0501482
 http://arxiv.org/abs/cond-mat/0501482

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arXiv