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Thermodynamic properties of an integrabel quantum spin ladder with boundary impurities

dc.contributor.authorBatchelor, Murray T.pt_BR
dc.contributor.authorGuan, Xi-Wenpt_BR
dc.contributor.authorFoerster, Angelapt_BR
dc.contributor.authorTonel, Arlei Prestespt_BR
dc.contributor.authorZhou, Huan-Qiangpt_BR
dc.date.accessioned2020-02-28T04:07:03Zpt_BR
dc.date.issued2003pt_BR
dc.identifier.issn0550-3213pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/206326pt_BR
dc.description.abstractAn integrable quantum spin ladder based on the SU(4) symmetry algebra with boundary defects is studied in the framework of boundary integrability. Five nontrivial solutions of the reflection equations lead to different boundary impurities. In each case the energy spectrum is determined using the quantum inverse scattering method. The thermodynamic properties are investigated by means of the thermodynamic Bethe ansatz. In particular, the susceptibility and the magnetization of the model in the vicinity of the critical points are derived along with differing magnetic properites for antiferromagnetic and ferromagnetic impurity couplings at the edges. The results are applicable to the strong coupling ladder compounds, such as Cu2(C5H12N2)2Cl4.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofNuclear physics. B. Amsterdam. Vol. 669, no. 3 (Oct. 2003), p. 385-416pt_BR
dc.rightsOpen Accessen
dc.subjectYang–Baxter equationen
dc.subjectEstrutura magnéticapt_BR
dc.subjectReflection equationsen
dc.subjectSuscetibilidade magnéticapt_BR
dc.subjectThermodynamic Bethe ansatzen
dc.subjectTransições magnéticaspt_BR
dc.subjectMecanica estatistica quanticapt_BR
dc.subjectImpurity effectsen
dc.subjectTeoria SU(4)pt_BR
dc.subjectQuantum spin laddersen
dc.subjectPropriedades termodinâmicaspt_BR
dc.titleThermodynamic properties of an integrabel quantum spin ladder with boundary impuritiespt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000383346pt_BR
dc.type.originEstrangeiropt_BR


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