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Renormalization algorithm for the calculation of spectra of interacting quantum systems

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dc.contributor.authorPorras Torres, Diego
dc.contributor.authorVerstraete, Frank
dc.contributor.authorCirac, J. Ignacio
dc.date.accessioned2023-06-20T12:41:14Z
dc.date.available2023-06-20T12:41:14Z
dc.date.issued2006-01
dc.description©2006 The American Physical Society. We thank M. A. Martín Delgado, G. Ortiz, E. Demler, E. Altmann, and S. Montangero, for interesting discussions. The work was supported by DFG (SFB 631), European projects, Bayerischen Staatsregierung Quanteninformation, MEIF-CT-2004-010350, and the Gordon and Betty Moore Foundation (the Information Science and Technology Initiative, Caltech).
dc.description.abstractWe present an algorithm for the calculation of eigenstates with definite linear momentum in quantum lattices. Our method is related to the density matrix renormalization group, and makes use of the distribution of multipartite entanglement to build variational wave functions with translational symmetry. The algorithm is applied to the study of bilinear-biquadratic S=1 chains, in particular to the region of phase space between the dimerized and ferromagnetic phases.
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipDFG
dc.description.sponsorshipBayerischen
dc.description.sponsorshipStaatsregierung
dc.description.sponsorshipQuanteninformation
dc.description.sponsorshipGordon
dc.description.sponsorshipBetty Moore Foundation
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/47526
dc.identifier.doi10.1103/PhysRevB.73.014410
dc.identifier.issn1098-0121
dc.identifier.officialurlhttp://doi.org/10.1103/PhysRevB.73.014410
dc.identifier.relatedurlhttps://journals.aps.org
dc.identifier.urihttps://hdl.handle.net/20.500.14352/52217
dc.issue.number1
dc.journal.titlePhysical review B
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.projectIDSFB 631
dc.relation.projectIDMEIF
dc.relation.projectIDCT
dc.relation.projectID2004
dc.relation.projectID010350
dc.rights.accessRightsopen access
dc.subject.cdu53
dc.subject.keywordSpin chains
dc.subject.ucmFísica (Física)
dc.subject.unesco22 Física
dc.titleRenormalization algorithm for the calculation of spectra of interacting quantum systems
dc.typejournal article
dc.volume.number73
dspace.entity.typePublication

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