Year: 2022
Type: article
Abstract: We study the fate of an impurity in an ultracold heteronuclear Bose mixture, focusing on the experimentally relevant case of a $^{41}\mathrm{K}\text{\ensuremath{-}}^{87}\mathrm{Rb}$ mixture, with the impurity in a $^{41}\mathrm{K}$ hyperfine state. Our paper provides a comprehensive description of an impurity in a BEC mixture with contact interactions across its phase diagram. We present results for the miscible and immiscible regimes, as well as for the impurity in a self-bound quantum droplet. Here, varying the interactions, we find exotic states where the impurity localizes either at the center or at the surface of the droplet.
Source: Physical Review A
Authors: G. Bighin, A. Burchianti, F. Minardi, T. Macrì
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W3199076044