Many-body density matrices on a two-dimensional square lattice : noninteracting and strongly interacting spinless fermions

The reduced density matrix of an interacting system can be used as the basis for a truncation scheme, or in an unbiased method to discover the strongest kind of correlation in the ground state. In this paper, we investigate the structure of the many-body fermion density matrix of a small cluster in...

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Bibliographic Details
Main Authors: Henley, Christopher L., Cheong, Siew Ann
Format: Article
Language:English
Published: 2009
Subjects:
Online Access:https://hdl.handle.net/10356/90479
http://hdl.handle.net/10220/4602
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Institution: Nanyang Technological University
Language: English