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Evolution of the single-mode squeezed vacuum state in amplitude dissipative channel |
Hong-Yi Fan1( ), Shuai Wang2, Li-Yun Hu3 |
| 1. Department of Physics, Ningbo University, Ningbo 315211, China; 2. School of Mathematics and Physics, Changzhou University, Changzhou 213164, China; 3. Department of Physics, Jiangxi Normal University, Nanchang 330022, China |
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Abstract Using the way of deriving infinitive sum representation of density operator as a solution to the master equation describing the amplitude dissipative channel by virtue of the entangled state representation, we show manifestly how the initial density operator of a single-mode squeezed vacuum state evolves into a definite mixed state which turns out to be a squeezed chaotic state with decreasing-squeezing and decoherence. We investigate average photon number, photon statistics distributions for this mixed state.
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| Keywords
single-mode squeezed vacuum
decoherence
entangled state representation
sum representation
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Corresponding Author(s):
Fan Hong-Yi,Email:fhym@nbu.edu.cn
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Issue Date: 01 February 2014
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