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Semiclassical Arrhenius law for quantum-thermal escape rates
Luca Salasnich, Cesare Vianello
The quantum-thermal escape rate from a metastable well in the absence of dissipation is customarily written as a Boltzmann average of the Hill-Wheeler flux over a continuum of ener…
Photon-induced Self Trapping and Entanglement of a Bosonic Josephson Junction Inside an Optical Resonator
P. Rosson, G. Mazzarella, G. Szirmai +1
We study the influence of photons on the dynamics and the ground state of the atoms in a Bosonic Josephson junction inside an optical resonator. The system is engineered in such a…
Tunneling dynamics of bosonic Josephson junctions assisted by a cavity field
G. Szirmai, G. Mazzarella, L. Salasnich
We study the interplay between the dynamics of a Bose-Einstein condensate in a double-well potential and that of an optical cavity mode. The cavity field is superimposed to the dou…
The effect of a laser dip in the semiclassical dynamics of bosonic Josephson Junctions
Gergely Szirmai, Giovanni Mazzarella, Luca Salasnich
We consider the standard double well setup extended with a laser beam in the center to create a "triple well" potential. The beam in the center is much more narrow than the barrier…
Statistical Mechanics of a Trapped Bose-Einstein Condensate
Luca Salasnich
Bose-Einstein condensation (BEC) in a gas has now been achieved. Alkali atoms (, and ) have been cooled to the point of condensation (temperature of 100…
Classical and Quantum Perturbation Theory for two Non--Resonant Oscillators with Quartic Interaction
Luca Salasnich
We study the classical and quantum perturbation theory for two non--resonant oscillators coupled by a nonlinear quartic interaction. In particular we analyze the question of quantu…