Boundary Energies and the Geometry of Phase Separation in Double--Exchange Magnets

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dc.creatorGolosov, D. I.
dc.creatorOrgad, D.
dc.date2006-01-11
dc.date2006-08-29
dc.date.accessioned2026-07-07T06:57:29Z
dc.date.available2026-07-07T06:57:29Z
dc.descriptionWe calculate the energy of a boundary between ferro- and antiferromagnetic regions in a phase separated double-exchange magnet in two and three dimensions. The orientation dependence of this energy can significantly affect the geometry of the phase-separated state in two dimensions, changing the droplet shape and possibly stabilizing a striped arrangement within a certain range of the model parameters. A similar effect, albeit weaker, is also present in three dimensions. As a result, a phase-separated system near the percolation threshold is expected to possess intrinsic hysteretic transport properties, relevant in the context of recent experimental findings.
dc.description6 pages, including 4 figures; expanded version
dc.identifierhttps://arxiv.org/abs/cond-mat/0601235
dc.identifierhttp://arxiv.org/abs/cond-mat/0601235
dc.identifierPhys. Rev. B vol.74, 104403 (2006)
dc.identifierdoi:10.1103/PhysRevB.74.104403
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106985
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleBoundary Energies and the Geometry of Phase Separation in Double--Exchange Magnets
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