Stabilization of magnetic polarons in antiferromagnetic semiconductors by extended spin distortions

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dc.creatorCastro, J.
dc.creatorGonzalez, I.
dc.creatorBaldomir, D.
dc.date2002-10-14
dc.date2003-06-28
dc.date.accessioned2026-07-07T02:47:43Z
dc.date.available2026-07-07T02:47:43Z
dc.descriptionWe study the problem of a magnetic polaron in an antiferromagnetic semiconductor (ferron). We obtain an analytical solution for the distortion produced in the magnetic structure of the d-spins due to the presence of a charge carrier bound to an impurity. The region in which the charge carrier is trapped is of the order of the lattice constant (small ferron) but the distortion of the magnetic structure extends over much larger distance. It is shown that the presence of this distortion makes the ferron more stable, and introduces a new length scale in the problem.
dc.description5 pages, 1 figure, RevTex 4, submitted to PRB; v2: one reference added, minor changes in the experiment discussion; v3: minor changes in text
dc.identifierhttps://arxiv.org/abs/cond-mat/0210279
dc.identifierhttp://arxiv.org/abs/cond-mat/0210279
dc.identifierEur. Phys. J. B 39 (2004) 447
dc.identifierdoi:10.1140/epjb/e2004-00216-8
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20113
dc.subjectStrongly Correlated Electrons
dc.titleStabilization of magnetic polarons in antiferromagnetic semiconductors by extended spin distortions
dc.typetext

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