Evolution law of a negative binomial state in an amplitude dissipative channel

doi:10.1088/1674-1056/23/3/030304

Abstract For the first time we derive the evolution law of the negative binomial state

in an amplitude dissipative channel with a damping constant κ. We find that after passing through the channel, the final state is still a negative binomial state, however the parameter γ evolves into γ’, where γ’=γ/(e^-2κt(1-γ)+γ). The decay law of the average photon number is also obtained.

Keywords: negative binomial state thermal entangled state representation master equation for damping Kraus operator

Received: 08 July 2013
Revised: 20 August 2013
Accepted manuscript online:

PACS:	03.65.-w	(Quantum mechanics)
	42.50.-p	(Quantum optics)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11175113 and 11247009).

Corresponding Authors: Chen Feng
E-mail: chenfeng@hfuu.edu.cn

Cite this article:

Chen Feng (陈锋), Fan Hong-Yi (范洪义) Evolution law of a negative binomial state in an amplitude dissipative channel 2014 Chin. Phys. B 23 030304

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