| Issue |
EPJ Web of Conferences
Volume 75, 2014
JEMS 2013 – Joint European Magnetic Symposia
|
|
|---|---|---|
| Article Number | 03005 | |
| Number of page(s) | 4 | |
| Section | 3. Magnetism in metal alloys and intermetallics | |
| DOI | https://doi.org/10.1051/epjconf/20147503005 | |
| Published online | 03 July 2014 | |
https://doi.org/10.1051/epjconf/20147503005
Local orbitals approach to the anomalous Hall and Nernst effects in itinerant ferromagnets
Institute of Physics ASCR, Na Slovance 2, 182 21 Praha 8, Czech Republic
a e-mail: streda@fzu.cz
Published online: 3 July 2014
Linear response of the orbital momentum to the gradient of the chemical potential is used to obtain anomalous Hall conductivity. Transition from the ideal Bloch system for which the conductivity is determined by the Berry phase curvatures to the case of strong disorder for which the conductivity becomes dependent on the relaxation time is analysed. Presented tight-binding model reproduces experimentally observed qualitative features of the anomalous Hall conductivity and the transverse Peltier coefficient in the so called bad-metal and scattering-independent regimes.
© Owned by the authors, published by EDP Sciences, 2014
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