Hydrogen transfer in vibrationally relaxing benzoic acid dimers: Time‐dependent density matrix dynamics and infrared spectra

1996 ◽  
Vol 104 (8) ◽  
pp. 2869-2882 ◽  
Author(s):  
Christoph Scheurer ◽  
Peter Saalfrank
Keyword(s):  
Benzoic Acid ◽  
Density Matrix ◽  
Infrared Spectra ◽  
Hydrogen Transfer ◽  
Time Dependent ◽  
Dependent Density ◽  
Matrix Dynamics

scholarly journals Atom-atom entanglement in a not-resonant two-photon Tavis-Cummings model

2019 ◽  
Vol 220 ◽  
pp. 03018
Author(s):  
Marya O. Guslyannikova ◽  
Eugene K. Bashkirov
Keyword(s):  
Exact Solution ◽  
Density Matrix ◽  
Thermal Field ◽  
Time Dependent ◽  
Two Photon ◽  
Atomic States ◽  
Dependent Density

The entanglement between two two-level atoms (qubits) interacting not-resonantly with a one mode of thermal field in a lossless cavity via effective degenerate two-photon transitions is investigated. Based on the exact solution for the time-dependent density matrix of the system under consideration, negativity is calculated as a measure of the entanglement of atoms. The influence of a detuning on the dynamics of entanglement of atoms for separable and entangled initial atomic states and thermal cavity state is investigated.

Time-dependent density-matrix theory

1990 ◽  
Vol 335 (3) ◽  
pp. 331-340 ◽  
Author(s):  
M. Gong ◽  
M. Tohyama ◽  
J. Randrup
Keyword(s):  
Density Matrix ◽  
Matrix Theory ◽  
Time Dependent ◽  
Density Matrix Theory ◽  
Dependent Density
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