Effect on cavity optomechanics of the interaction between a cavity field and a one-dimensional interacting bosonic gas

Qing Sun, Xing-Hua Hu, W. M. Liu, X. C. Xie, and An-Chun Ji

Phys. Rev. A 84, 023822 – Published 15 August 2011

Abstract

We investigate optomechanical coupling between one-dimensional interacting bosons and the electromagnetic field in a high-finesse optical cavity. We show that by tuning interatomic interactions, one can realize effective optomechanics with mechanical resonators ranging from side-mode excitations of a Bose-Einstein condensate (BEC) to particle-hole excitations of a Tonks-Girardeau (TG) gas. We propose that this unique feature can be formulated to detect the BEC-TG gas crossover and measure the sine-Gordon transition continuously and nondestructively.

Received 16 February 2011

DOI:https://doi.org/10.1103/PhysRevA.84.023822

Authors & Affiliations

Qing Sun^1,2, Xing-Hua Hu¹, W. M. Liu¹, X. C. Xie^3,4, and An-Chun Ji^2,1,*

¹Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
²Center of Theoretical Physics, Department of Physics, Capital Normal University, Beijing 100048, China
³International Center for Quantum Materials, Peking University, Beijing 100871, China
⁴Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078, USA

^*andrewjee@sina.com

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Vol. 84, Iss. 2 — August 2011

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