Reduced density matrix descriptions for electromagnetically induced transparency and related pump-probe optical phenomena in atomic systems

2007 ◽  
Author(s):  
Verne Jacobs ◽  
Zachary Dutton ◽  
Mark Bashkansky ◽  
Michael Steiner ◽  
John Reintjes
Keyword(s):  
Density Matrix ◽  
Electromagnetically Induced Transparency ◽  
Reduced Density Matrix ◽  
Pump Probe ◽  
Atomic Systems ◽  
Optical Phenomena ◽  
Reduced Density ◽  
Induced Transparency

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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