Research Developments of Quantum Hydrodynamics

本文从理论上研究了超流氦和原子玻色-爱因斯坦凝聚（BEC）中的量子流体力学。这些系统中的流体力学受量子力学效应的支配，量子化的涡旋作为涡旋的一个元素出现。在超流氦中，我们第一次成功地在热逆流和特征速度分布的统计稳态。在原子BEC中，我们发现了双分量BEC中的量子湍流和Kelvin-Helmholtz不稳定性，以及旋量BEC中的自旋湍流

We studied theoretically quantum hydrodynamics in superfluid helium and atomic Bose-Einstein condensates(BECs). Hydrodynamics in these systems is dominated by quantum mechanical effects, and a quantized vortex appears as an element of vorticity. In superfluid helium, we succeeded for the first time in making statistically steady states in thermal counterflow and the characteristic velocity distribution. In atomic BECs, we revealed quantum turbulence and Kelvin-Helmholtz instability in two-component BECs, and spin turbulence in spinor BECs