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Steady-state mechanical squeezing in a hybrid atom-optomechanical system with a highly dissipative cavity
Dong-Yang Wang1, Cheng-Hua Bai1, Hong-Fu Wang1,2
1Department of Physics, College of Science, Yanbian University, Yanji, Jilin 133002, China.
Abstract:
Quantum squeezing of mechanical resonator is important for studying the macroscopic quantum effects and the precision metrology of weak forces. Here we give a theoretical study of a hybrid atom-optomechanical system in which the steady-state squeezing of the mechanical resonator can be generated via the mechanical nonlinearity and cavity cooling process. The validity of the scheme is assessed by simulating the steady-state variance of the mechanical displacement quadrature numerically. The scheme is robust against dissipation of the optical cavity, and the steady-state squeezing can be effectively generated in a highly dissipative cavity.
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