Intertwined and vestigial order with ultracold atoms in multiple cavity modes
Intertwined and vestigial order with ultracold atoms in multiple cavity modes
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DOI：
10.1103/physreva.96.063828
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发表时间：
2017-07
影响因子：
2.9
通讯作者：
S. Gopalakrishnan;Yulia E. Shchadilova;E. Demler
中科院分区：
文献类型：
--
作者：
S. Gopalakrishnan;Yulia E. Shchadilova;E. Demler
横向泵浦光腔中的原子通过形成密度波并以超辐射方式发射到腔模中而“自组织”。对于单模腔，这种自组织转变的性质在理论和实验上都得到了很好的表征。在这里，我们探讨了玻色-爱因斯坦凝聚体在两个腔模存在下的自组织--一个最近实验实现的系统[伦纳德\n {等人}，Nature，87（2017）].我们认为，该系统可以表现出一个“残留有序”的阶段，其中没有腔模式表现出超辐射，但腔模式是相互锁定的原子。我们认为，这种残留有序相一般应存在于多模腔的几何形状。
Atoms in transversely pumped optical cavities "self-organize" by forming a density wave and emitting superradiantly into the cavity mode(s). For a single-mode cavity, the properties of this self-organization transition are well characterized both theoretically and experimentally. Here, we explore the self-organization of a Bose-Einstein condensate in the presence of two cavity modes---a system that was recently experimentally realized [Leonard \emph{et al.}, \emph{Nature} {\bf 543}, 87 (2017)]. We argue that this system can exhibit a "vestigially ordered" phase in which neither cavity mode exhibits superradiance but the cavity modes are mutually phase-locked by the atoms. We argue that this vestigially ordered phase should generically be present in multimode cavity geometries.