论文标题
旋转玻色纤维超级流体混合物中的涡旋晶格结构
Vortex-lattice structures in rotating Bose-Fermi superfluid mixtures
论文作者
论文摘要
Bose-Fermi超级流体混合物的系统提供了一个游乐场来探索丰富的宏观量子现象。在最近的Yao {\ it等}的实验中[Phys。莱特牧师。 {\ bf 117}，145301（2016）]，$^{41} $ k- $^{6} $ li Superfluid混合物已实现。耦合的量化涡旋是通过旋转的超流体混合物生成的，并且观察到涡流数的形成的一些非常规的行为，可以追溯到玻孔 - 弗里米恩相互作用。在这里，我们提供了对实验中观察到的非常规行为的理论见解。为此，聘请了无轨道密度功能理论，并通过比较数值结果和仅在强烈相互作用的费米超级流体中的涡旋晶格来验证其效用。我们还可以预测有趣的现象，可以很容易地在实验中探索，包括骨气旋转的新结构，以及骨气和效率涡流之间的有吸引力的相互作用。
The system of Bose-Fermi superfluid mixture offers a playground to explore rich macroscopic quantum phenomena. In a recent experiment of Yao {\it et al.} [Phys. Rev. Lett. {\bf 117}, 145301 (2016)], $^{41}$K-$^{6}$Li superfluid mixture is implemented. Coupled quantized vortices are generated via rotating the superfluid mixture, and a few unconventional behaviors on the formations of vortex numbers are observed, which can be traced to boson-fermion interactions. Here we provide a theoretical insight into the unconventional behaviors observed in the experiment. To this end, the orbital-free density functional theory is hired, and its utility is validated by making comparison of the numerical results and a microscopic theory for vortex lattices in strongly interacting Fermi superfluids alone. We also predict interesting phenomena which can be readily explored experimentally, including the novel structures of bosonic-fermionic vortices, and attractive interactions between the bosonic and fermionic vortices.
