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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| Main Authors: | , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2009
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/90479 http://hdl.handle.net/10220/4602 |
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