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Phys. Rev. Lett. 95, 155901 (2005) [4 pages]

Phenomenological Evidence for the Phonon Hall Effect

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C. Strohm1,*, G. L. J. A. Rikken1,2, and P. Wyder1
1Grenoble High Magnetic Field Laboratory, MPI-FKF/CNRS, BP 169, 38042 Grenoble Cedex 9, France
2Laboratoire National des Champs Magnétiques Pulsés, CNRS-INSA-UPS, 31432 Toulouse Cedex 4, France

Received 5 September 2005; published 4 October 2005

In the electrical Hall effect, a magnetic field, applied perpendicular to an electrical current, induces through the Lorentz force a voltage perpendicular to the field and the current. It is generally assumed that an analogous effect cannot exist in the phonon thermal conductivity, as there is no charge transport associated with phonon propagation. In this Letter, we argue that such a magnetotransverse thermal effect should exist and experimentally demonstrate this “phonon Hall effect” in Tb3Ga5O12.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.95.155901
DOI:
10.1103/PhysRevLett.95.155901
PACS:
66.70.+f, 72.20.Pa

*Present address: European Synchrotron Radiation Facility, BP 220, 38043 Grenoble Cedex 9, France.

 
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