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Exchange operator formalism for N-body spin models with near-neighbours interactions

dc.contributor.authorEnciso, Alberto
dc.contributor.authorFinkel Morgenstern, Federico
dc.contributor.authorGonzález López, Artemio
dc.contributor.authorRodríguez González, Miguel Ángel
dc.date.accessioned2023-06-20T10:56:54Z
dc.date.available2023-06-20T10:56:54Z
dc.date.issued2007-02-23
dc.description©IOP Publishing Ltd. This work was partially supported by the DGI under grant no. FIS2005-00752. A.E. acknowledges the financial support of the Spanish Ministry of Education through an FPU scholarship
dc.description.abstractWe present a detailed analysis of the spin models with near-neighbours interactions constructed in our previous paper (Enciso et al 2005 Phys. Lett. B 605 214) by a suitable generalization of the exchange operator formalism. We provide a complete description of a certain flag of finite-dimensional spaces of spin functions preserved by the Hamiltonian of each model. By explicitly diagonalizing the Hamiltonian in the latter spaces, we compute several infinite families of eigenfunctions of the above models in closed form in terms of generalized Laguerre and Jacobi polynomials.
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipDGI, Spain
dc.description.sponsorshipSpanish Ministry of Education
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/31356
dc.identifier.doidoi.org/10.1088/1751-8113/40/8/012
dc.identifier.issn1751-8113
dc.identifier.officialurlhttp://dx.doi.org/10.1088/1751-8113/40/8/012
dc.identifier.relatedurlhttp://iopscience.iop.org
dc.identifier.relatedurlhttp://arxiv.org/pdf/nlin/0604073v2.pdf
dc.identifier.urihttps://hdl.handle.net/20.500.14352/51497
dc.issue.number8
dc.journal.titleJournal of physics A: Mathematical and theoretical
dc.language.isoeng
dc.page.final1883
dc.page.initial1857
dc.publisherIOP Publishing Ltd
dc.relation.projectIDFIS2005-00752
dc.relation.projectIDFPU scholarship
dc.rights.accessRightsopen access
dc.subject.cdu51-73
dc.subject.keywordCalogero–Sutherland models
dc.subject.keywordExchange operators
dc.subject.keywordQuasi-exact solvability
dc.subject.ucmFísica-Modelos matemáticos
dc.subject.ucmFísica matemática
dc.titleExchange operator formalism for N-body spin models with near-neighbours interactions
dc.typejournal article
dc.volume.number40
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