Direct diagonalization of Fock space for an exact solution of pairing model

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dc.creatorWang, An Min
dc.date2005-02-09
dc.date2006-10-27
dc.date.accessioned2026-07-07T06:37:31Z
dc.date.available2026-07-07T06:37:31Z
dc.descriptionWe investigate the exact solution of BCS pairing model using direct diagonalization of Fock space. By the data analysis and numerical calculation, we verify the symmetry between energy spectrum of Fock subspaces, obtain the common structure features of energy gaps and energy bands in Hamiltonian spectrum of reduced model, propose the formula to estimate the lowest energy levels in all of the subspaces of reduced model, and suggest a scheme to estimate the respective energy spectrum which can reveal the structure of energy spectrum of pairing model.
dc.description6 pages, 4 figures. The published version
dc.identifierhttps://arxiv.org/abs/cond-mat/0502222
dc.identifierhttp://arxiv.org/abs/cond-mat/0502222
dc.identifierPhys. Lett. A, 359 (2006)p597-602
dc.identifierdoi:10.1016/j.physleta.2006.07.038
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100416
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.subjectQuantum Physics
dc.titleDirect diagonalization of Fock space for an exact solution of pairing model
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