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Heavy-Fermion Behavior in a Negative4 Anderson Model

Taraphder, A and Coleman, P (1991) Heavy-Fermion Behavior in a Negative4 Anderson Model. In: Physical Review Letters, 66 (21). pp. 2814-2817.

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Official URL: http://prl.aps.org/abstract/PRL/v66/i21/p2814_1

Abstract

We show that the low-temperature fixed-point behavior of the negative4 Anderson model involves a "charge Kondo effect," where the local pair behaves as a Heisenberg rather than an XY degree of freedom. Interactions of the local pair with the conduction sea generate a highly polarizable Fermi liquid with enhanced linear specific heat and charge and pair susceptibilities.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 26 Jun 2007
Last Modified: 16 Jan 2012 10:30
URI: http://eprints.iisc.ernet.in/id/eprint/11250

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