Search Results - "Pitaevskii, L. P"

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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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Motion of a heavy impurity through a Bose-Einstein condensate by Astrakharchik, G. E., Pitaevskii, L. P.

“…We study the motion of a pointlike impurity in a Bose-Einstein condensate at T=0. By solving the Guinier-Preston (GP) equation in a perturbative manner we…”
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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…”
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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…”
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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…”
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Condensate fraction and critical temperature of a trapped interacting Bose gas by Giorgini, S, Pitaevskii, LP, Stringari, S

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Rapid ramps across the BEC-BCS crossover: A route to measuring the superfluid gap by Scott, R. G., Dalfovo, F., Pitaevskii, L. P., Stringari, S.

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Phase Fluctuations and Coherence of an Almost Ideal Condensate by Pitaevskii, L. P., Stringari, S.

“…The quantum description of a Bose-Einstein condensates in double-well traps connected by a Josephson junction is discussed. The quantization in terms of the…”
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Anomalous Fluctuations of the Condensate in Interacting Bose Gases by Giorgini, S., Pitaevskii, L. P., Stringari, S.

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Landau damping in dilute Bose gases by Pitaevskii, L.P., Stringari, S.

“…Landau damping in weakly interacting Bose gases is investigated by means of perturbation theory. Our approach points out the crucial role played by…”
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Multiphonon Decay of Solitons in Bose–Einstein Condensates by Pitaevskii, L. P.

“…The stability of the Jones-Roberts (JR) solitary waves in Bose-Einstein condensates with respect to quantum decay into several phonons is investigated. The…”
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Sound propagation and oscillations of a superfluid Fermi gas in the presence of a one-dimensional optical lattice by Pitaevskii, L. P., Stringari, S., Orso, G.

“…We develop the hydrodynamic theory of Fermi superfluids in the presence of a periodic potential. The relevant parameters governing the propagation of sound…”
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