Spin-density functional for exchange anisotropic Heisenberg model

dc.creatorPRATA, G. N.
dc.creatorPENTEADO, P. H.
dc.creatorSOUZA, F. C.
dc.creatorLIBERO, Valter Líbero
dc.date.accessioned2012-10-20T04:20:45Z
dc.date.accessioned2018-07-04T15:43:35Z
dc.date.available2012-10-20T04:20:45Z
dc.date.available2018-07-04T15:43:35Z
dc.date.created2012-10-20T04:20:45Z
dc.date.issued2009
dc.identifierPHYSICA B-CONDENSED MATTER, v.404, n.19, p.3151-3154, 2009
dc.identifier0921-4526
dc.identifierhttp://producao.usp.br/handle/BDPI/29917
dc.identifier10.1016/j.physb.2009.07.066
dc.identifierhttp://dx.doi.org/10.1016/j.physb.2009.07.066
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1626557
dc.description.abstractGround-state energies for anti ferromagnetic Heisenberg models with exchange anisotropy are estimated by means of a local-spin approximation made in the context of the density functional theory. Correlation energy is obtained using the non-linear spin-wave theory for homogeneous systems from which the spin functional is built. Although applicable to chains of any size, the results are shown for small number of sites, to exhibit finite-size effects and allow comparison with exact-numerical data from direct diagonalization of small chains. (C) 2009 Elsevier B.V. All rights reserved.
dc.languageeng
dc.publisherELSEVIER SCIENCE BV
dc.relationPhysica B-condensed Matter
dc.rightsCopyright ELSEVIER SCIENCE BV
dc.rightsrestrictedAccess
dc.subjectHeisenberg
dc.subjectDFT
dc.subjectAnisotropy
dc.subjectGround state
dc.titleSpin-density functional for exchange anisotropic Heisenberg model
dc.typeArtículos de revistas


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