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Anomalous Hall effect in YbRh2Si2

MPS-Authors
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Paschen,  S.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Lühmann,  T.
Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Wirth,  S.
Steffen Wirth, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Trovarelli,  O.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Geibel,  C.
Christoph Geibel, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Steglich,  F.
Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Paschen, S., Lühmann, T., Wirth, S., Trovarelli, O., Geibel, C., & Steglich, F. (2005). Anomalous Hall effect in YbRh2Si2. Physica B-Condensed Matter, 359-361, 44-46. doi:10.1016/j.physb.2004.12.051.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0015-2CF1-2
Abstract
In the heavy-fermion antiferromagnet YbRh2Si2YbRh2Si2 pronounced non-Fermi-liquid behaviour is known to be related to the system being close to an antiferromagnetic quantum critical point (QCP). Using the magnetic field as a control parameter, YbRh2Si2YbRh2Si2 may continuously be driven through a (field-induced) QCP. The evolution of the Fermi sea volume with field is of great interest since it may discriminate between different QCP scenarios. If Hall measurements are used to probe the Fermi sea volume, the anomalous Hall effect has to be separated from the normal one. In this contribution it is shown how this can be achieved for the initial Hall coefficient in YbRh2Si2YbRh2Si2.