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6 papers · 2 filters
The quantum solitons atomtronic interference device
Juan Polo, Piero Naldesi, Anna Minguzzi +1
We study a quantum many-body system of attracting bosons confined in a ring-shaped potential and interrupted by a weak link. With such architecture, the system defines atomtronic q…
Probing the BCS-BEC crossover with persistent currents
Giovanni Pecci, Piero Naldesi, Luigi Amico +1
We study the persistent currents of an attractive Fermi gas confined in a tightly-confining ring trap and subjected to an artificial gauge field all through the BCS-BEC crossover.…
Roadmap on Atomtronics: State of the art and perspective
L. Amico, M. Boshier, G. Birkl +56
Atomtronics deals with matter-wave circuits of ultra-cold atoms manipulated through magnetic or laser-generated guides with different shapes and intensities. In this way, new types…
Pairing and pair superfluid density in one-dimensional Hubbard models
B. Grémaud, G. G. Batrouni
We use unbiased computational methods to elucidate the onset and properties of pair superfluidity in two-species fermionic and bosonic systems with onsite interspecies attraction l…
Nonlinear two-photon Rabi-Hubbard model: superradiance and photon/photon-pair Bose-Einstein condensate
Shifeng Cui, B. Grémaud, Wenan Guo +1
We study the ground state phase diagram of a nonlinear two-photon Rabi-Hubbard (RH) model in one dimension using quantum Monte Carlo (QMC) simulations and density matrix renormaliz…
Resonant dipolar collisions of ultracold molecules induced by microwave dressing
Zoe Z. Yan, Jee Woo Park, Yiqi Ni +4
We demonstrate microwave dressing on ultracold, fermionic NaK ground-state molecules and observe resonant dipolar collisions with cross sections exceeding three t…