Hydrodynamics of a Multi-Component Bosonic Superfluid
Chinese Physics Letters(2023)
Abstract
We obtain the superfluid hydrodynamic equations of a multi-component Bose gas with short-ranged interac-tions at zero temperature under the local equilibrium assumption and show that the quantum pressure is generally present in the nonuniform case.Our approach can be extended to systems with long-range interactions such as dipole-dipole interactions by treating the Hartree energy properly.For a highly symmetric superfluid,we obtain the excitation spectrum and show that except for the density phonon,all other excitations are all degenerate.The implication of our results is discussed.
MoreTranslated text
Key words
hydrodynamics,multi-component
AI Read Science
Must-Reading Tree
Example
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined