Vortex-core structure in a mixture of Bose and Fermi superfluids
Quantum Gases
2017-06-28 v2 Superconductivity
Quantum Physics
Abstract
We study a single quantized vortex in the fermionic component of a mixture of Fermi superfluid and Bose-Einstein condensate. As the density ratio between the boson and the fermion components is tuned, we identify a transition in the vortex-core structure, across which fermions in the vortex core become completely depleted even in the weak-coupling Bardeen-Cooper-Schrieffer regime. This is accompanied by changes in key properties of the vortex state, as well as by the localization of the Bose-Einstein condensate in the vortex core. The transition in the vortex-core structure can be experimentally probed in Bose-Fermi superfluid mixtures by detecting the size and visibility of the vortices.
Cite
@article{arxiv.1701.06245,
title = {Vortex-core structure in a mixture of Bose and Fermi superfluids},
author = {Jian-Song Pan and Wei Zhang and Wei Yi and Guang-Can Guo},
journal= {arXiv preprint arXiv:1701.06245},
year = {2017}
}
Comments
7 pages + 6 figures