Anomalous magnetic response of the spin-one-half Falicov-Kimball model

J. K. Freericks and V. Zlatić
Phys. Rev. B 58, 322 – Published 1 July 1998
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Abstract

The infinite-dimensional spin-one-half Falicov-Kimball model in an external magnetic field is solved exactly. We calculate the magnetic susceptibility in zero field, and the magnetization as a function of the field strength. The model shows an anomalous magnetic response from thermally excited local moments that disappear as the temperature is lowered. We describe possible real materials that may exhibit this kind of anomalous behavior.

  • Received 5 January 1998

DOI:https://doi.org/10.1103/PhysRevB.58.322

©1998 American Physical Society

Authors & Affiliations

J. K. Freericks and V. Zlatić*

  • Department of Physics, Georgetown University, Washington, DC 20057

  • *Permanent address: Institute of Physics, Zagreb, Croatia.

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Vol. 58, Iss. 1 — 1 July 1998

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