Physics – Quantum Physics
Scientific paper
2012-02-18
Chin. Phys. B Vol. 20, No. 11 110303 (2011)
Physics
Quantum Physics
Scientific paper
The dynamics of maximum entangled coherent state travels through an amplitude damping channel is investigated. For small values of the transmissivity rate the travelling state is very fragile to this noise channel, where it suffers from the phase flip error with high probability. The entanglement decays smoothly for larger values of the transmissivity rate and speedily for smaller values of this rate. As the number of modes increases, the travelling state over this noise channel loses its entanglement hastily. The odd and even states vanish at the same value of the field intensity.
Allati A. El
Hassouni Yassine
Metwally Nasser
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