Nonlinear Ramsey interference of a Bose-Einstein condensate in an optical cavity

LI Sheng-Chang; DOU Fu-Quan

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Nonlinear Ramsey interference of a Bose-Einstein condensate in an optical cavity

LI Sheng-Chang 1 * #,DOU Fu-Quan 2

1.School of Science, Xi\'an Jiaotong University, Xi\'an 710049

2.College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070

*Correspondence author

#Submitted by

Subject:

Funding: Specialized Research Fund for the Doctoral Program of Higher Education （No.20130201120045）

Opened online: 9 November 2016

Accepted by: none

Citation: LI Sheng-Chang,DOU Fu-Quan.Nonlinear Ramsey interference of a Bose-Einstein condensate in an optical cavity[OL]. [ 9 November 2016] http://en.paper.edu.cn/en_releasepaper/content/4709042

We propose a feasible scheme to realize nonlinear Ramsey interferometer that uses a Bose-Einstein condensate in an optical cavity, where the nonlinearity arises both from the mean-field treatment of the coherent atomic interaction and the atom--cavity-filed coupling. We present numerical simulations to study the effects both of the cavity-pump detuning and the initial state on the Ramsey interference fringes in the time domain. We find that both the modification to the fringe's period induced by the atom--cavity-field coupling and the visibility of the Ramsey fringes strongly depend on the choice of the initial state.

Keywords:Quantum mechanics, Ramsey interference, Optical cavity, Bose-Einstein condensate

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