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[交流] Observation of vortices in a dipolar supersolid

Observation of vortices in a dipolar supersolid

偶极超固体中涡旋的观测

▲ 作者:Eva Casotti, Elena Poli et al.

▲链接:

https://www.nature.com/articles/s41586-024-08149-7

▲摘要:

在此,掌握了在偶极气体和具有二维结晶顺序的超固体中产生涡旋的方法后,我们报告了超固体相(SSP)中涡旋的理论研究和实验观察。我们的工作揭示了未调制和调制量子流体之间涡旋形成动力学的根本差异。

这为研究具有许多存在于不同领域——如量子晶体和中子星发——中的自对称性破缺的奇异量子系统的流体动力学特性打开了大门。

▲ Abstract:

Here, with the prerequisite pieces at our disposal, namely a method to generate vortices in dipolar gases and supersolids with two-dimensional crystalline order, we report on the theoretical investigation and experimental observation of vortices in the supersolid phase (SSP). Our work reveals a fundamental difference in vortex seeding dynamics between unmodulated and modulated quantum fluids. This opens the door to study the hydrodynamic properties of exotic quantum systems with numerous spontaneously broken symmetries, in disparate domains such as quantum crystals and neutron stars.
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