Two-component polariton condensate in an optical microcavity

Yong-Chang Zhang, Xiang-Fa Zhou, Guang-Can Guo, Xingxiang Zhou, Han Pu, and Zheng-Wei Zhou
Phys. Rev. A 89, 053624 – Published 28 May 2014

Abstract

We present a scheme for engineering the extended two-component Bose-Hubbard model using polariton condensate supported by an optical microcavity. Compared to the usual two-component Bose-Hubbard model with only Kerr nonlinearity, our model includes a nonlinear tunneling term which depends on the number difference of the particle in the two modes. In the mean-field treatment, this model is an analog to a nonrigid pendulum with a variable pendulum length whose sign can be also changed. We study the dynamic and ground-state properties of this model and show that there exists a first-order phase transition as the strength of the nonlinear tunneling rate is varied. Furthermore, we propose a scheme to obtain the polariton condensate wave function.

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  • Received 24 January 2014

DOI:https://doi.org/10.1103/PhysRevA.89.053624

©2014 American Physical Society

Authors & Affiliations

Yong-Chang Zhang1,2, Xiang-Fa Zhou1,2, Guang-Can Guo1,2, Xingxiang Zhou1,2,*, Han Pu3,†, and Zheng-Wei Zhou1,2,‡

  • 1Key Laboratory of Quantum Information,University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
  • 2Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
  • 3Department of Physics and Astronomy, and Rice Quantum Institute, Rice University, Houston, Texas 77005, USA

  • *xizhou@ustc.edu.cn
  • hpu@rice.edu
  • zwzhou@ustc.edu.cn

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Issue

Vol. 89, Iss. 5 — May 2014

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