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理论物理通讯:英文版

Quantum Tunneling of a Dipolar Bose-Einstein Condensate in Optical Lattice

Yu, Zhao-Xian, Jiao, Zhiyong, Wang, Ji-Suo

Published Jan 1, 2008• 0 citations
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Abstract

当旋转系统开始处于一个挤压的协调状态被准备时,我们在光格子学习偶极的 Bose 爱因斯坦冷凝物的量通道。在那里存在,这被发现在格子 l 和 l + 之间的量通道 1, l 和 l - 1 分别地。特别地,当光格子无穷地长,旋转刺激在长波长的限制时,量通道消失在格子 l 和 l + 之间 1,并且那 l 和 l - 1。相应地,磁性的 soliton 出现。

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Quantum Tunneling of a Dipolar Bose–Einstein Condensate in Optical Lattice

Zhao-Xian Yu, Jiao Zhi-Yong, Ji‐Suo Wang

We study quantum tunneling of a dipolar Bose-Einstein condensate in optical lattice when the spin system initially is prepared in a squeezed coherent state. It is found that there exists quantum tunneling between lattices l and l + 1, l and l - 1, respectively. In particular, when the optical lattice is infinitely long and the spin excitations are in the long-wavelength limit, quantum tunneling disappears between lattices l and l + 1, and that l and l - 1. Correspondingly, the magnetic soliton appears.

Communications in Theoretical Physics•Jan 1, 2008•0 citations
当旋转系统开始处于一个挤压的协调状态被准备时,我们在光格子学习偶极的 Bose 爱因斯坦冷凝物的量通道。在那里存在,这被发现在格子 l 和 l + 之间的量通道 1, l 和 l - 1 分别地。特别地,当光格子无穷地长,旋转刺激在长波长的限制时,量通道消失在格子 l 和 l + 之间 1,并且那 l 和 l - 1。相应地,磁性的 soliton 出现。
We study quantum tunneling of a dipolar Bose-Einstein condensate in optical lattice when the spin system initially is prepared in a squeezed coherent state. It is found that there exists quantum tunneling between lattices l and l + 1, l and l - 1, respectively. In particular, when the optical lattice is infinitely long and the spin excitations are in the long-wavelength limit, quantum tunneling disappears between lattices l and l + 1, and that l and l - 1. Correspondingly, the magnetic soliton appears.