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Correlation density matrix : an unbiased analysis of exact diagonalizations

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Correlation density matrix : an unbiased analysis of exact diagonalizations

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dc.contributor.author Cheong, Siew Ann
dc.contributor.author Henley, Christopher L.
dc.date.accessioned 2009-10-01T04:02:05Z
dc.date.available 2009-10-01T04:02:05Z
dc.date.copyright 2009
dc.date.issued 2009-10-01T04:02:05Z
dc.identifier.citation Cheong, S. A., & Henley, C. L. (2009). Correlation density matrix : an unbiased analysis of exact diagonalizations. Physical Review B, 79.
dc.identifier.issn 1098-0121
dc.identifier.uri http://hdl.handle.net/10220/6108
dc.description.abstract Given the ground-state wave function for an interacting lattice model, we define a “correlation density matrix” (CDM) for two disjoint separated clusters A and B to be the density matrix of their union minus the direct product of their respective density matrices. The CDM can be decomposed systematically by a numerical singular-value decomposition to provide a systematic and unbiased way to identify the operator(s) dominating the correlations, even unexpected ones.
dc.format.extent 4 p.
dc.language.iso en
dc.relation.ispartofseries Physical review B
dc.rights Physical Review B © copyright 2009 The American Physical Society. The journal's website is located at http://link.aps.org/doi/10.1103/PhysRevB.79.212402.
dc.subject DRNTU::Science::Physics::Atomic physics::Solid state physics
dc.title Correlation density matrix : an unbiased analysis of exact diagonalizations
dc.type Journal Article
dc.contributor.school School of Physical and Mathematical Sciences
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevB.79.212402
dc.description.version Published version

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