Calculation of reduced density matrices from correlation functions

DOI10.1088/0305-4470/36/14/101zbMATH Open1049.82011arXivcond-mat/0212631OpenAlexW2050368830MaRDI QIDQ4468052

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Publication date: 10 June 2004

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Abstract: It is shown that for solvable fermionic and bosonic lattice systems, the reduced density matrices can be determined from the properties of the correlation functions. This provides the simplest way to these quantities which are used in the density-matrix renormalization group method.

Full work available at URL: https://arxiv.org/abs/cond-mat/0212631

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