Quantum droplets in one-dimensional Bose mixtures: a quantum Monte-Carlo study
arXiv:2003.05231 · doi:10.1103/PhysRevA.102.023318
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 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.
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