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arXiv 0905.2600cond-mat.quant-gascond-mat.str-el
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光晶格中p波超流态的稳定化

Stabilization of the p-wave superfluid state in an optical lattice

Y. -J. Han, Y. -H. Chan, W. Yi, A. J. Daley, S. Diehl, P. Zoller, L. -M. Duan

摘要:

由于非弹性碰撞损失,自由空间冷原子气体的p波超流态很难稳定。研究了光晶格中的p波费什巴赫共振,证明了在量子Zeno效应的作用下,多原子碰撞损耗被抑制,从而形成稳定的p波超流态是可能的.我们导出了该系统的有效哈密顿量,并计算了它在一维光晶格中的相图。结果表明,丰富的相变之间的p波超流态和不同类型的绝缘体状态诱导的相互作用或耗散。

英文摘要:

It is hard to stabilize the p-wave superfluid state of cold atomic gas in free space due to inelastic collisional losses. We consider the p-wave Feshbach resonance in an optical lattice, and show that it is possible to have a stable p-wave superfluid state where the multi-atom collisional loss is suppressed through the quantum Zeno effect. We derive the effective Hamiltonian for this system, and calculate its phase diagram in a one-dimensional optical lattice. The results show rich phase transitions between the p-wave superfluid state and different types of insulator states induced either by interaction or by dissipation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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