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- Institut d'Estudis Espacials de CatalunyaES488 papers
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174 papers · 1 filter
Vortex dipoles in expanding shell-shaped Bose-Einstein condensates
A. Tononi
Releasing shell-shaped Bose-Einstein condensates from the external confinement produces a spherically symmetric density distribution characterized by concentric ripples surrounding…
Exotic critical states as fractional Fermi seas in the one-dimensional Bose gas
Alvise Bastianello, Yi Zeng, Sudipta Dhar +7
Critical quantum field theories occupy a central position in modern theoretical physics for their inherent universality stemming from long-range correlations. As an example, the To…
Quantum Monte Carlo study of systems interacting via long-range interactions mediated by a cavity
Marta Domínguez-Navarro, Abel Rojo-Francàs, Bruno Juliá-Díaz +1
We study one-dimensional quantum gases in continuous space with cavity-mediated infinite-range interactions using the variational and the diffusion Monte Carlo methods. Starting fr…
Confinement and finite-range effects in a quasi-two-dimensional gas of fermionic dimers
Giovanni Midei, Jordi Boronat, Grigory E. Astrakharchik
We investigate the ground-state properties of ultracold two-component Fermi gases in the presence of a transverse harmonic potential, focusing on the strongly interacting regime in…
Confinement-Induced Resonances in Rabi-Coupled Bosonic Mixtures
Andrea Tononi, Pietro Massignan
We consider coherently-coupled bosonic mixtures scattering at low energies in the presence of an external confinement along either one or two directions. We exactly solve the two-b…
Empty and filled vortices in squeezed 39K Bose-Bose liquid drops
Ivan Poparić, Leandra Vranješ Markić, Jordi Boronat
Using density functional theory, we have theoretically studied the formation and the stability of vortices in quantum liquid droplets composed of a mixture of hyperfine states of p…