Pseudo-BCS wave function from density matrix decomposition: Application in auxiliary-field quantum Monte Carlo
We present a method to construct pseudo-BCS wave functions from the one-body density matrix. The resulting many-body wave function, which can be produced for any fermion systems, including those with purely repulsive interactions, has the form of a number-projected BCS form, or antisymmetrized gemin...
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| Autori principali: | , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
American Physical Society
2021-01-01
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| Serie: | Physical Review Research |
| Accesso online: | http://doi.org/10.1103/PhysRevResearch.3.013065 |
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