Mott-Insulator-Superfluid Phase Transition with Coupled-Cavity Frequency Conversion System |
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Authors: | Zhong Ju Liu Wenwen Shi Gui Mei Shi Wei Jiang |
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Affiliation: | 1.School of Science,Shenyang University of Technology,Shenyang,People’s Republic of China |
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Abstract: | An array of coupled cavities, each of which contains a triangle-down-level atom, is investigated. An effective Hamiltonian can be achieved under the strong classical driving. We can control the transition between Mott-insulator and superfluid states by the classical driving. The frequency conversion in one site has the same effects of nonlinear in BH hamiltonian which can induce insulator-superfluid states. |
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