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Two-Impurity Kondo Problem

Jayaprakash, C and Krishna-murthy, HR and Wilkins, JW (1981) Two-Impurity Kondo Problem. In: Physical Review Letters, 47 (10). pp. 737-740.

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Official URL: http://prola.aps.org/abstract/PRL/v47/i10/p737_1


The two-impurity Kondo problem is studied by use of perturbative scaling techniques. The physics is determined by the interplay between the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction between the two impurity spins and the Kondo effect. In particular, for a strong ferromagnetic RKKY interaction the susceptibility exhibits three structures as the temperature is lowered, corresponding to the ferromagnetic locking together of the two impurity spins followed by a two-stage freezing out of their local moments by the conduction electrons due to the Kondo effect.

Item Type: Journal Article
Publication: Physical Review Letters
Publisher: American Physical Soc
Additional Information: Copyright of this article belongs to American Physical Soc
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 07 Jan 2010 07:58
Last Modified: 19 Sep 2010 05:46
URI: http://eprints.iisc.ac.in/id/eprint/23440

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