Variational Approach for the Bose--Hubbard Model |
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| Authors: | YU De-Shui CHEN Jing-Biao |
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| Institution: | Institute of Quantum Electronics, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871 |
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| Abstract: | The phase diagram of the one-dimensional Bose--Hubbard model describing interacting bosons in optical lattice is investigated with the variational approach. This method can also be generalized to the two-dimensional case. |
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| Keywords: | 67 40 Db 32 80 Pj 03 75 Lm |
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