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- Istituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsIT743 papers
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18 papers · 2 filters
Shortcut to Adiabaticity for an Anisotropic Gas Containing Quantum Defects
David Papoular, Sandro Stringari
We present a Shortcut To Adiabaticity (STA) protocol applicable to 3D unitary Fermi gases and 2D weakly-interacting Bose gases containing defects such as vortices or solitons. Our…
Artificial Magnetic Fields in Momentum Space in Spin-Orbit Coupled Systems
Hannah M. Price, Tomoki Ozawa, Nigel R. Cooper +1
The Berry curvature is a geometrical property of an energy band which can act as a momentum space magnetic field in the effective Hamiltonian of a wide range of systems. We apply t…
Counter-flow instability of a quantum mixture of two superfluids
M. Abad, A. Recati, S. Stringari +1
We study the instability of a mixture of two interacting counter-flowing superfluids. For a homogeneous system, we show that superfluid hydrodynamics leads to the existence of a dy…
A toy model for the dipolar-induced resonance in quasi-one-dimensional systems
Nicola Bartolo, David J. Papoular, Alessio Recati +1
We discuss the properties of the effective dipolar interaction for two particles tightly confined along a one-dimensional tube, stressing the emergence of a single dipolar-induced…
Instability of the superfluid flow as black-hole lasing effect
S. Finazzi, F. Piazza, M. Abad +2
We show that the instability leading to the decay of the one-dimensional superfluid flow through a penetrable barrier are due to the black-hole lasing effect. This dynamical instab…
Phase-slips and vortex dynamics in Josephson oscillations between Bose-Einstein condensates
Marta Abad, Muntsa Guilleumas, Ricardo Mayol +3
We study the relation between Josephson dynamics and topological excitations in a dilute Bose-Einstein condensate confined in a double-well trap. We show that the phase slips respo…