Abstract

Supersolid phase is a phase of matter that is characterized by the combination of the off-diagonal long-range order of superfluid and the diagonal long-range order of solid. Cold atoms with spin–orbit-coupling, contact interaction and long-range interaction can provide systems for the research of supersolid phase. Under the effect of spin-dependent potential and spin–orbit-coupling, hard-core ultra-cold atoms with contact interaction can be shown to construct supersolid phase. The combination of soft-core long-range interaction and spin–orbit coupling can establish exotic supersolid phase with spontaneous breakdown of chiral symmetry. The optical Bragg scattering of cold atoms in optical lattices can be used to detect supersolid phase. The study of supersolid phase will be helpful to the researches of matter phases.

Graphical abstract

中文翻译：

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冷原子超固相

摘要

超固相是物质的一个相，其特征是超流体的非对角长程和固体的对角长程相结合。具有自旋-轨道耦合，接触相互作用和远距离相互作用的冷原子可以为超固相研究提供系统。在自旋相关电位和自旋轨道耦合的影响下，具有接触相互作用的硬核超冷原子可以显示出构成超固相。软核远程相互作用和自旋-轨道耦合的组合可以建立具有手性对称性自发破坏的奇异超固相。光学晶格中冷原子的光学布拉格散射可用于检测超固相。超固相的研究将有助于物质相的研究。

图形概要