scholarly journals Implications of the unitary invariance and symmetry restrictions on the development of proper approximate one-body reduced-density-matrix functionals

2020 ◽  
Vol 102 (5) ◽  
Author(s):  
K. J. H. Giesbertz
Keyword(s):  
Density Matrix ◽  
Reduced Density Matrix ◽  
Reduced Density ◽  
Unitary Invariance

Density matrix and purity evolution in dissipative two-level systems: II. Relaxation

2021 ◽  
Author(s):  
Sambarta Chatterjee ◽  
Nancy Makri
Keyword(s):  
Density Matrix ◽  
Time Evolution ◽  
Reduced Density Matrix ◽  
Level System ◽  
Two Level Systems ◽  
Reduced Density ◽  
Harmonic Bath

We investigate the time evolution of the reduced density matrix (RDM) and its purity in the dynamics of a two-level system coupled to a dissipative harmonic bath, when the system is initially placed in one of its eigenstates.

Isoelectronic analogue of oxywater: a parametric two-electron reduced-density-matrix study of ammonia oxide

2012 ◽  
Vol 110 (9-10) ◽  
pp. 765-773 ◽  
Author(s):  
Erik P. Hoy ◽  
Christine A. Schwerdtfeger ◽  
David A. Mazziotti
Keyword(s):  
Density Matrix ◽  
Reduced Density Matrix ◽  
Reduced Density
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