Providing a model to robust entanglement between a movable mirror and a cavity field in coupled optomechanical system

Mehrad Gavahi; Li hong Rong

Mehrad Gavahi School of Science, Xi’an Jiaotong University, Xi’an 710049, China
Li hong Rong

Keywords: Robust entanglement, Movable mirror, Cavity field, Coupled optomechanical system

Abstract

Einstein, Podolsky, and Rosen and Schr ̈odinger first identified Entanglement as a peculiar quantum mechanics phenomenon, challenging the completeness of the theory. Because of the significance of the phenomenon of entanglement, the entanglement between a movable mirror and a cavity field is discussed in this article. Due to the importance of the subject, two types of design are considered for the analysis of the cavity caused by the moving mirror and for both, the analytical solution was performed and the governing equations were derived. In the first example, between two mirrors, one fixed and the other movable, a cavity field is found, in which case the interconnection between the rotating mirror and the two level atoms in the cavity field can be studied. In the second example, the first field is coupled to another cavity field and the effect of entanglement is studied on a mirror on which the atom is not located. The findings indicate that the greater entanglement and the wider efficient detuning area can be obtained with the increase in the coupling power of the coupled optomechanical device, so it is simpler and more feasible to realize and observe this kind of novel phenomenon in experiment.

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