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Monte Carlo determination of the phase diagram of the double-exchange model

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dc.contributor.authorAlonso, J. L.
dc.contributor.authorCapitán, J. A.
dc.contributor.authorFernández Pérez, Luis Antonio
dc.contributor.authorGuinea, F.
dc.contributor.authorMartín Mayor, Víctor
dc.date.accessioned2023-06-20T20:16:58Z
dc.date.available2023-06-20T20:16:58Z
dc.date.issued2001-08-01
dc.description© 2001 The American Physical Society. We want to warmly thank Víctor Laliena for a pleasant and fruitful collaboration. It is also a pleasure to thank B. Alascio, A. Aligia, E. Dagotto, and B. Normand, for discussions on this problem. We acknowledge financial support from Grant Nos. PB96-0875, AEN97-1680, AEN97-1693, AEN99-0990 (MEC, Spain), and (07N/0045/98)(C. Madrid). V.M.-M. was supported by the Ministerio de Educación y Cultura. The simulations were carried out in RTNN computers at Zaragoza and Madrid.
dc.description.abstractWe study the phase diagram of the double exchange model, with antiferromagnetic interactions, in a cubic lattice both at zero and finite temperature. There is a rich variety of magnetic phases, combined with regions where phase separation takes place. We identify phases, intrinsic to the cubic lattice, which are stable for realistic values of the interactions and dopings. Some of these phases break chiral symmetry, leading to unusual features.
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMEC, Spain
dc.description.sponsorshipC. Madrid. Spain
dc.description.sponsorshipMinisterio de Educación y Cultura, Spain
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/38715
dc.identifier.doi10.1103/PhysRevB.64.054408
dc.identifier.issn1098-0121
dc.identifier.officialurlhttp://doi.org/10.1103/PhysRevB.64.054408
dc.identifier.relatedurlhttp://journals.aps.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/60013
dc.issue.number5
dc.journal.titlePhysical review B
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.projectIDPB96-0875
dc.relation.projectIDAEN97-1680
dc.relation.projectIDAEN97-1693
dc.relation.projectIDAEN99-0990
dc.relation.projectID07N/0045/98
dc.rights.accessRightsopen access
dc.subject.cdu53
dc.subject.cdu51-73
dc.subject.keywordTriangular Heisenberg-antiferromagnet
dc.subject.keywordTransition-temperature
dc.subject.keywordElectronic models
dc.subject.keywordDoped manganites
dc.subject.keywordMagnetic order
dc.subject.keywordKondo-lattice
dc.subject.keywordSpin dynamics
dc.subject.keywordCharge
dc.subject.keywordSeparation
dc.subject.keywordSystems.
dc.subject.ucmFísica (Física)
dc.subject.ucmFísica-Modelos matemáticos
dc.subject.unesco22 Física
dc.titleMonte Carlo determination of the phase diagram of the double-exchange model
dc.typejournal article
dc.volume.number64
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