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103 papers · 1 filter
Macroscopic quantum self-trapping in bosonic Josephson junctions: an exact quantum treatment
Andrea Bardin, Anna Minguzzi, Luca Salasnich
We investigate the fully quantum evolution of the population imbalance in a perfectly symmetric Bose-Josephson junction modeled by a two-mode Bose-Hubbard Hamiltonian, focusing on…
The SU(N) Fermi-Hubbard Model on two sites: Bethe Ansatz solution and Quantum Phase Transition of the Lipkin-Meshkov-Glick Model in the large-N limit
Pierre Nataf
We show that the SU(N) Fermi-Hubbard model (FHM) on two sites, where N is the number of flavors of each fermion, corresponds to an exactly solvable two-level many-boson model that…
Static impurity in a mesoscopic system of SU() fermionic matter-waves
Juan Polo, Wayne J. Chetcuti, Anna Minguzzi +2
We investigate the effects of a static impurity, modeled by a localized barrier, in a one-dimensional mesoscopic system comprised of strongly correlated repulsive SU()-symmetric…
Measuring Hall voltage and Hall resistance in an atom-based quantum simulator
T. -W. Zhou, T. Beller, G. Masini +7
In the Hall effect, a voltage drop develops perpendicularly to the current flow in the presence of a magnetic field, leading to a transverse Hall resistance. Recent developments wi…
Phase diagram and universal scaling regimes of two-dimensional exciton-polariton Bose-Einstein condensates
Félix Helluin, Daniela Pinto-dias, Quentin Fontaine +4
Many systems, classical or quantum, closed or open, exhibit universal statistical properties. Exciton-polariton condensates, being intrinsically driven-dissipative, offer a promisi…
Necklace Ansatz for strongly repulsive spin mixtures on a ring
Gianni Aupetit-Diallo, Giovanni Pecci, Artem Volosniev +3
We propose an alternative to the Bethe Ansatz method for strongly-interacting fermionic (or bosonic) mixtures on a ring. Starting from the knowledge of the solution for single-comp…