期刊
PHYSICAL REVIEW A
卷 106, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.106.053322
关键词
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资金
- FWF [EXC-2123]
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [390837967]
- ESQ Discovery programme
- [I4426]
This article investigates the nature of supersolidity in two-component dipolar condensates and predicts the existence of a binary supersolid state. It also highlights the ability of a dipolar component to induce supersolidity in a nondipolar component.
Two-component dipolar condensates are now experimentally producible, and we theoretically investigate the nature of supersolidity in this system. We predict the existence of a binary supersolid state in which the two components form a series of alternating domains, producing an immiscible double supersolid. Remarkably, we find that a dipolar component can even induce supersolidity in a nondipolar component. In stark contrast to single-component dipolar supersolids, alternating-domain supersolids do not require quantum stabilization, and the number of crystal sites is not strictly limited by the condensate populations, with the density hence being substantially lower. Our results are applicable to a wide range of dipole moment combinations, marking an important step towards long-lived bulk supersolidity.
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