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Integrability and exact solution for coupled BCS systems associated with the $su(4)$ Lie algebra

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dc.contributor.authorGuan, Xi-Wen
dc.contributor.authorFoerster, Angela
dc.contributor.authorLinks, Jon
dc.contributor.authorZhou, H-Q.
dc.date.accessioned2015-12-07T22:53:07Z
dc.date.issued2002
dc.date.updated2015-12-07T12:37:00Z
dc.description.abstractWe introduce an integrable model for two coupled BCS systems through a solution of the Yang-Baxter equation associated with the Lie algebra su(4). By employing the algebraic Bethe ansatz, we determine the exact solution for the energy spectrum. An asymptotic analysis is conducted to determine the leading terms in the ground state energy, the gap and some one point correlation functions at zero temperature.
dc.identifier.issn0550-3213
dc.identifier.urihttp://hdl.handle.net/1885/27721
dc.publisherElsevier
dc.sourceNuclear Physics B
dc.subjectKeywords: BCS model; Cooper pair; Ground state; Quantum R-matrix
dc.titleIntegrability and exact solution for coupled BCS systems associated with the $su(4)$ Lie algebra
dc.typeJournal article
local.bibliographicCitation.lastpage542
local.bibliographicCitation.startpage501
local.contributor.affiliationGuan, Xi-Wen, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationFoerster, Angela, Instituto de Fisica
local.contributor.affiliationLinks, Jon, University of Queensland
local.contributor.affiliationZhou, H-Q, University of Queensland
local.contributor.authoruidGuan, Xi-Wen, u4054868
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor010501 - Algebraic Structures in Mathematical Physics
local.identifier.ariespublicationu4167262xPUB53
local.identifier.citationvolume642
local.identifier.doi10.1016/S0550-3213(02)00776-9
local.identifier.scopusID2-s2.0-0037190915
local.type.statusPublished Version

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