On the measure of electron correlation and entanglement in quantum chemistry based on the cumulant of the second-order reduced density matrix
In this paper we propose a functional of the many-body cumulant of the second-order reduced density matrix within the spin-free formalism of quantum chemistry which quantifies the idea of electron correlation and allows one to detect spin entanglement. Its properties are rigorously stated and discus...
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| Autores principales: | Alcoba, D.R., Bochicchio, R.C., Lain, L., Torre, A. |
|---|---|
| Formato: | Artículo publishedVersion |
| Lenguaje: | Inglés |
| Publicado: |
2010
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00219606_v133_n14_p_Alcoba |
| Aporte de: |
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