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

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 particl...

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Published in:arXiv.org 2020-03
Main Authors: Parisi, Luca, Giorgini, Stefano
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Language:English
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Droplets
Monte Carlo simulation
Surface tension
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description 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 intra-species repulsion and inter-species attraction. We find that deviations from the predictions of the generalized Gross-Pitaevskii equation are small in most cases of interest.
doi_str_mv 10.48550/arxiv.2003.05231
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subjects Droplets
Monte Carlo simulation
Surface tension
title Quantum droplets in one-dimensional Bose mixtures: a quantum Monte-Carlo study
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