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BEC in Nonextensive Statistical Mechanics
Luca Salasnich
We discuss the Bose-Einstein condensation (BEC) for an ideal gas of bosons in the framework of Tsallis's nonextensive statistical mechanics. We study the corrections to the standar…
Thermodynamics of a trapped Bose condensate with negative scattering length
B. Pozzi, L. Salasnich, A. Parola +1
We study the Bose-Einstein condensation (BEC) for a system of atoms, which have negative scattering length (attractive interaction), confined in a harmonic potential. Within…
Self-Trapping, Quantum Tunneling and Decay Rates for a Bose Gas with Attractive Nonlocal Interaction
Luca Salasnich
We study the Bose-Einstein condensation for a cloud of Li atoms with attractive nonlocal (finite-range) interaction in a harmonic trap. In addition to the low-density metastabl…
Time-Dependent Variational Approach to Bose-Einstein Condensation
Luca Salasnich
We discuss the mean-field approximation for a trapped weakly-interacting Bose-Einstein condensate (BEC) and its connection with the exact many-body problem by deriving the Gross-Pi…
Bose Condensate in a Double-Well Trap: Ground State and Elementary Excitations
L. Salasnich, A. Parola, L. Reatto
We study the Bose-Einstein condensate in the MIT double-well trap. We calculate the ground state density profile of Na atoms and the Bogoliubov spectrum of the elementary ex…
Chaotic Oscillations in Finite Quantum Systems: Trapped Bose-Einstein Condensates
Luca Salasnich
We discuss the recently achieved Bose-Einstein condensation for alkali-metal atoms in magnetic traps. The theoretically predicted low-energy collective oscillations of the condensa…