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arXiv 2302.14232cond-mat.quant-gas
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自旋轨道耦合的Floquet旋量玻色气体中的量子相

Quantum phases in spin-orbit-coupled Floquet spinor Bose gases

Yani Zhang, Yuanyuan Chen, Hao Lyu, Yongping Zhang

AI总结:

本研究提出可通过二次塞曼场Floquet工程实现的自旋轨道耦合Floquet旋量BEC,揭示其特殊的相互作用特性与量子相图,发现两种相互作用下的新型条纹相。

摘要:

我们提出了一种自旋轨道耦合的Floquet旋量玻色-爱因斯坦凝聚体(BEC),可通过对二次塞曼场进行Floquet工程实现。该Floquet旋量BEC具有贝塞尔函数调制的拉比频率,以及Floquet诱导的自旋交换相互作用。我们通过考虑反铁磁或铁磁自旋-自旋相互作用,研究了该自旋轨道耦合Floquet旋量BEC的量子相图。与常规的自旋轨道耦合自旋1 BEC相比,我们发现反铁磁相互作用下的条纹相可存在于较大的二次塞曼场区域,同时还发现了铁磁相互作用下一种具有实验有利对比度的不同条纹相。

英文摘要:

We propose a spin-orbit-coupled Floquet spinor Bose-Einstein condensate (BEC) which can be implemented by Floquet engineering of a quadratic Zeeman field. The Floquet spinor BEC has a Bessel-function-modulated Rabi frequency and a Floquet-induced spin-exchange interaction. The quantum phase diagram of the spin-orbit-coupled Floquet spinor BEC is investigated by considering antiferromagnetic or ferromagnetic spin-spin interactions. In comparison with the usual spin-orbit-coupled spin-1 BEC, we find that a stripe phase for antiferromagnetic interactions can exist in a large quadratic Zeeman field regime, and a different stripe phase with an experimentally favorable contrast for ferromagnetic interactions is uncovered.

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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