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S. Friedemann, N. Oeschler, C. Krellner, C. Geibel, S. Wirth, F. Steglich, S. Paschen, S. MaQuilon, Z. Fisk:
"Band-structure and anomalous contributions to the Hall effect of YbRh₂Si₂";
Physica B: Condensed Matter, 403 (2008), 1251 - 1253.

We report on Hall effect measurements on YbRh₂Si₂ single crystals with different residual resistivity and on LuRh₂Si₂ single crystal. The temperature dependence of the linear-response Hall coefficient of YbRh₂Si₂ is described by the anomalous Hall effect and the normal contribution incorporating multi-band effects. Sample dependencies at low T are found and explained by slight changes in the charge-carrier concentrations.

YbRh₂Si₂; LuRh₂Si₂; Hall effect; Heavy fermion; Non-Fermi liquid; Quantum critical point

http://dx.doi.org/10.1016/j.physb.2007.10.118

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