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On the time evolution of fermionic occupation numbers
Authors: C.L. Benavides-Riveros, and M.A.L. Marques
Ref.: J. Chem. Phys 151, 044112 (2019)
Abstract: We derive an equation for the time evolution of the natural occupation numbers for fermionic systems with more than two electrons. The evolution of such numbers is connected with the symmetry-adapted generalized Pauli exclusionprinciple, as well as with the evolution of the natural orbitals and a set of many-body relative phases. We then relate the evolution of these phases to a dynamical and a correlated term, attached to each one of the Slater determinants appearing in the configuration-interaction expansion of the wave function.
Citations: (Google scholar)
DOI: 10.1063/1.5109009
URL: arxiv.org