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Disorder-induced noncollinear ferromagnetism in models for (III,Mn)V semiconductors

URN to cite this document:
urn:nbn:de:bvb:355-epub-282405
Schliemann, John
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Date of publication of this fulltext: 22 May 2013 13:50


Abstract

We study the ground-state properties of kinetic-exchange models for (III,Mn)V semiconductors with randomly distributed Mn ions. Our method is embedded in a path integral spin-wave-type formalism leading to an effective action for Mn spins only with full Matsubara frequency dependence. The zero-frequency contribution to this action is equivalent to static perturbation theory and characterizes the ...

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