Search Results - "Pitaevskii, L."

Thermal Lifshitz force between an atom and a conductor with a small density of carriers by Pitaevskii, L P

“…A new theory describing the interaction between atoms and a conductor with small densities of current carriers is presented. The theory takes into account the…”
Get full text

Dynamics of dark solitons in a trapped superfluid fermi gas by Scott, R G, Dalfovo, F, Pitaevskii, L P, Stringari, S

“…We study soliton oscillations in a trapped superfluid Fermi gas across the Bose-Einstein condensate to Bardeen-Cooper-Schrieffer (BEC-BCS) crossover. We derive…”
Get full text

Measurement of the temperature dependence of the Casimir-Polder force by Obrecht, J M, Wild, R J, Antezza, M, Pitaevskii, L P, Stringari, S, Cornell, E A

“…We report on the first measurement of a temperature dependence of the Casimir-Polder force. This measurement was obtained by positioning a nearly pure 87Rb…”
Get full text

Fast thermalization and Helmholtz oscillations of an ultracold Bose gas by Papoular, D J, Pitaevskii, L P, Stringari, S

“…We analyze theoretically the transport properties of a weakly interacting ultracold Bose gas enclosed in two reservoirs connected by a constriction. We assume…”
Get full text

Stabilization of solitons generated by a supersonic flow of Bose-Einstein condensate past an obstacle by Kamchatnov, A M, Pitaevskii, L P

“…The stability of dark solitons generated by supersonic flow of a Bose-Einstein condensate past an obstacle is investigated. It is shown that in the reference…”
Get full text

Thermal vs Quantum Decoherence in Double Well Trapped Bose-Einstein Condensates by Pitaevskii, L., Stringari, S.

Get full text

Increasing quantum degeneracy by heating a superfluid by Papoular, D J, Ferrari, G, Pitaevskii, L P, Stringari, S

“…We consider a uniform superfluid confined in two compartments connected by a superleak and initially held at equal temperatures. If one of the two compartments…”
Get full text

Sensitive measurement of forces at the micron scale using Bloch oscillations of ultracold atoms by CARUSOTTO, I, PITAEVSKII, L, STRINGARI, S, MODUGNO, G, INGUSCIO, M

“…We show that Bloch oscillations of ultracold fermionic atoms in the periodic potential of an optical lattice can be used for a sensitive measurement of forces…”
Get full text

Interacting fermions in highly elongated harmonic traps by Astrakharchik, G E, Blume, D, Giorgini, S, Pitaevskii, L P

“…Quasi-one-dimensional two-component Fermi gases with effectively attractive and repulsive interactions are characterized for arbitrary interaction strength…”
Get full text

Macroscopic dynamics of a trapped Bose-Einstein condensate in the presence of 1D and 2D optical lattices by Krämer, M, Pitaevskii, L, Stringari, S

“…The hydrodynamic equations of superfluids for a weakly interacting Bose gas are generalized to include the effects of periodic optical potentials produced by…”
Get full text

Expansion of a coherent array of Bose-Einstein condensates by Pedri, P, Pitaevskii, L, Stringari, S, Fort, C, Burger, S, Cataliotti, F S, Maddaloni, P, Minardi, F, Inguscio, M

“…We investigate the properties of a coherent array containing about 200 Bose-Einstein condensates produced in a far detuned 1D optical lattice. The density…”
Get full text

The decay and collisions of dark solitons in superfluid Fermi gases by Scott, R G, Dalfovo, F, Pitaevskii, L P, Stringari, S, Fialko, O, Liao, R, Brand, J

“…We study soliton collisions and the decay of solitons into sound in superfluid Fermi gases across the Bose-Einstein condensate to Bardeen-Cooper-Schrieffer…”
Get full text

First and second sound in cylindrically trapped gases by Bertaina, G, Pitaevskii, L, Stringari, S

“…We investigate the propagation of density and temperature waves in a cylindrically trapped gas with radial harmonic confinement. Starting from two-fluid…”
Get full text

Formation of molecules near a Feshbach resonance in a 1D optical lattice by Orso, G, Pitaevskii, L P, Stringari, S, Wouters, M

“…We study the molecular behavior of two atoms interacting near a Feshbach resonance in the presence of a 1D periodic potential. The critical value of the…”
Get full text

Elementary Excitations in Trapped Bose-Einstein Condensed Gases Beyond the Mean-Field Approximation by Pitaevskii, L., Stringari, S.

Get full text

Insulating behavior of a trapped ideal Fermi gas by Pezzè, L, Pitaevskii, L, Smerzi, A, Stringari, S, Modugno, G, de Mirandes, E, Ferlaino, F, Ott, H, Roati, G, Inguscio, M

“…We investigate theoretically and experimentally the center-of-mass motion of an ideal Fermi gas in a combined periodic and harmonic potential. We find a…”
Get full text

Interference of Bose-Einstein Condensates in Momentum Space by Pitaevskii, L., Stringari, S.

Get full text

Tkachenko oscillations and the compressibility of a rotating Bose-Einstein condensate by Cozzini, M, Pitaevskii, L P, Stringari, S

“…The elastic oscillations of the vortex lattice of a cold Bose gas (Tkachenko modes) are shown to play a crucial role in the saturation of the compressibility…”
Get full text

Thermodynamics of a Trapped Bose-Condensed Gas by Giorgini, S, Pitaevskii, L P, Stringari, S

“…The mean field theory for nonuniform systems at finite temperature (T) is formulated based on the generalization of Bogoliubov theory for uniform gases and the…”
Get full text

Umklapp collisions and center-of-mass oscillations of a trapped Fermi gas by Orso, G, Pitaevskii, L P, Stringari, S

“…Starting from the Boltzmann equation, we study the center-of-mass oscillation of a harmonically trapped normal Fermi gas in the presence of a one-dimensional…”
Get full text