Physics – Quantum Physics
Scientific paper
2009-12-23
Can. J. Phys. 87, 1031 (2009)
Physics
Quantum Physics
9 pages, 7 figures
Scientific paper
We investigate a two-level atom coupled to a cavity with a strong classical driving field in a dissipative environment and find an analytical expression of the time evolution density matrix for the system. The analytical density operator is then used to study the entanglement between the atom and cavity by considering the competing process between the atom-field interactions and the field-environment interactions. It is shown that there is an optimal interaction time for generating atom-cavity entanglement.
Xu Jing-Bo
Zhang Jian-Song
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