Relevance of quantum fluctuations in the Anderson-Kondo model

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dc.creatorPeters, Robert
dc.creatorPruschke, Thomas
dc.date2006-06-29
dc.date.accessioned2026-07-07T07:12:57Z
dc.date.available2026-07-07T07:12:57Z
dc.descriptionWe study a localized spin coupled to an Anderson impurity to model the situation found in higher transition metal or rare earth compounds like e.g.\ LaMnO$_3$ or Gd monopnictides. We find that, even for large quantum numbers of the localized spin, quantum fluctuations play an essential role for the case of ferromagnetic coupling between the spin and the impurity levels. For antiferromagnetic coupling, a description in terms of a classical spin is appropriate.
dc.identifierhttps://arxiv.org/abs/cond-mat/0606762
dc.identifierhttp://arxiv.org/abs/cond-mat/0606762
dc.identifierNew J. Phys. 8, 127 (2006)
dc.identifierdoi:10.1088/1367-2630/8/8/127
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/112262
dc.subjectStrongly Correlated Electrons
dc.titleRelevance of quantum fluctuations in the Anderson-Kondo model
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