Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/91825
Title: | Correlation density matrix : an unbiased analysis of exact diagonalizations | Authors: | Henley, Christopher L. Cheong, Siew Ann |
Keywords: | DRNTU::Science::Physics::Atomic physics::Solid state physics | Issue Date: | 2009 | Source: | Cheong, S. A., & Henley, C. L. (2009). Correlation density matrix : an unbiased analysis of exact diagonalizations. Physical Review B, 79. | Series/Report no.: | Physical review B | 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. | URI: | https://hdl.handle.net/10356/91825 http://hdl.handle.net/10220/6108 |
ISSN: | 1098-0121 | DOI: | 10.1103/PhysRevB.79.212402 | Schools: | School of Physical and Mathematical Sciences | 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. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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File | Description | Size | Format | |
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cheong09PhysRevB79e212402.pdf | Published version | 101.53 kB | Adobe PDF | View/Open |
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