含有自旋轨道耦合的超冷费米气体奇异性质



活动地点:校本部G309

活动时间:2021-07-15 14:00:00

报告题目 (Title):Unconventional Fermi Superfluid in spin-orbit-coupled ultracold atomic gases(含有自旋轨道耦合的超冷费米气体奇异性质)

报告人 (Speaker):孙青 教授(首都师范大学物理系)

报告时间 (Time):2021年7月15日(周四) 14:00-16:00

报告地点 (Place):校本部G309

摘要 (Abstract):

The unconventional Fermi superfluid such as the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state has been sought for decades. Recent years, the realizations of diverse spin-orbit couplings in neutral atoms provide unique opportunities to search the FFLO state and beyond. Here we show two examples of possible unconventional Fermi superfluids in two spin-orbit coupled systems: one is the LO superfluid in a bilayer Fermi gas with laser-assisted pseudospin-momentum coupling; the other is an exotic vortex state with discrete rotational symmetry in a Fermi gas with spin-orbit-angular-momentum coupling.

参考文献:

[1] Q. Sun, L.-L. Wang, X.-J. Liu*, G. Juzeliunas*, and A.-C. Ji*, Phys. Rev. A 99, 043601 (2019).

[2] L.-L. Wang, A.-C. Ji, Q. Sun*, and J. Li*, Phys. Rev. Lett. 126, 193401 (2021).

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