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- W3161056526 abstract "The ultracold and ultradilute bosonic heteronuclear mixture (41K - 87Rb) of Bose-Einstein condensates with tunable interspecies interaction at zero temperature is studied in the self-bound regime, using numerical simulations based on Density Functional Theory within the Local Density Approximation. In particular, the beyond mean-field effects embodied in the Lee-Huang-Yang energy contribution are explicitly included in the total energy functional. The thermodynamic properties of the homogeneous system are investigated to set the stability conditions of the self-bound droplet. The surface properties are discussed with (i) a variational approach, (ii) a numerical method and (iii) by solving the two coupled Gross-Pitaevskii equations associated to the two components of the mixture. The validity of the liquid-drop model is verified by computing the total ground state energy for systems with a different number of particles and, after the confinement in a quasi-1D configuration by means of an optical waveguide, we also discuss the transition between quantum droplets and bright solitons, two localized states of different nature." @default.
- W3161056526 created "2021-05-24" @default.
- W3161056526 creator A5054972765 @default.
- W3161056526 date "2020-09-01" @default.
- W3161056526 modified "2023-09-24" @default.
- W3161056526 title "Quantum droplets and bright solitons in mixtures of Bose-Einstein condensates" @default.
- W3161056526 hasPublicationYear "2020" @default.
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