scholarly journals Dissipative quantum dynamics in terms of a reduced density matrix distributed over the environment energy

2004 ◽  
Vol 65 (6) ◽  
pp. 742-748 ◽  
Author(s):  
M Esposito ◽  
P Gaspard
Keyword(s):  
Density Matrix ◽  
Quantum Dynamics ◽  
Reduced Density Matrix ◽  
Reduced Density

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.

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