Keyword: Stationary State Entanglement : Search

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STATIONARY STATE ENTANGLEMENT AND TOTAL CORRELATION OF TWO QUBITS OR QUTRITS
- SHANG-BIN LI and
- JING-BO XU
Modern Physics Letters B30 Dec 2005
Preview Abstract
We investigate the mutual information and entanglement of stationary states of two locally driven qubits under the influence of collective dephasing. It is shown that both the mutual information and the entanglement of two qubits in the stationary state exhibit damped oscillation with the scaled action time γT of the local external driving field. It means that we can control both the entanglement and total correlation of the stationary state of two qubits by adjusting the action time of the driving field. We also consider the influence of collective dephasing on the entanglement of two qutrits and obtain the sufficient condition that the stationary state is entangled.

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