Quantum droplets in one-dimensional Bose mixtures: A quantum Monte Carlo study

Year: 2020

Authors: Parisi L., Giorgini S.

Autors Affiliation: Univ Trento, CNR INO BEC Ctr, Dipartimento Fis, I-38123 Povo, Trento, Italy

Abstract: We use exact quantum Monte Carlo techniques to study the properties of quantum droplets in two-component bosonic mixtures with contact interactions in one spatial dimension. We systematically study the surface tension, the density profile and the breathing mode as a function of the number of particles in the droplet and of the ratio of coupling strengths between intraspecies repulsion and interspecies attraction. We find that deviations from the predictions of the generalized Gross-Pitaevskii equation are small in most cases of interest.


Volume: 102 (2)      Pages from: 023318-1  to: 023318-7

More Information: We thank G. E. Astrakharchik for useful discussions. This work was supported by the QUIC Grant of the Horizon 2020 FET Program and by Provincia Autonoma di Trento.
KeyWords: GAS
DOI: 10.1103/PhysRevA.102.023318

Citations: 32
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