Search Results - "Gangardt, D M"

Sudden expansion of a one-dimensional bose gas from power-law traps by Campbell, A S, Gangardt, D M, Kheruntsyan, K V

“…We analyze free expansion of a trapped one-dimensional Bose gas after a sudden release from the confining trap potential. By using the stationary phase and…”
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Exact coherent states of a harmonically confined tonks-girardeau gas by MINGUZZI, A, GANGARDT, D. M

“…Using a scaling transformation we exactly determine the dynamics of an harmonically confined Tonks-Girardeau gas under arbitrary time variations of the trap…”
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Kinetics of mobile impurities and correlation functions in one-dimensional superfluids at finite temperature by Arzamasovs, M, Bovo, F, Gangardt, D M

“…We examine the hydrodynamic approach to dynamical correlations in one-dimensional superfluids near integrability and calculate the characteristic time scale,…”
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Suppression of transport of an interacting elongated bose-einstein condensate in a random potential by CLEMENT, D, VARON, A. F, HUGBART, M, RETTER, J. A, BOUYER, P, SANCHEZ-PALENCIA, L, GANGARDT, D. M, SHLYAPNIKOV, G. V, ASPECT, A

“…We observe the suppression of the 1D transport of an interacting elongated Bose-Einstein condensate in a random potential with an amplitude that is small…”
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Dynamics and Bloch oscillations of mobile impurities in one-dimensional quantum liquids by Schecter, M., Gangardt, D.M., Kamenev, A.

“…We study the dynamics of a mobile impurity moving in a one-dimensional quantum liquid. Such an impurity induces a strong, non-linear depletion of the liquid…”
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Pair correlations in a finite-temperature 1D Bose gas by Kheruntsyan, K V, Gangardt, D M, Drummond, P D, Shlyapnikov, G V

“…We calculate the two-particle local correlation for an interacting 1D Bose gas at finite temperature and classify various physical regimes. We present the…”
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One-dimensional transport of bosons between weakly linked reservoirs by Simpson, D P, Gangardt, D M, Lerner, I V, Krüger, P

“…We study a flow of ultracold bosonic atoms through a one-dimensional channel that connects two macroscopic three-dimensional reservoirs of Bose-condensed atoms…”
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Stability and phase coherence of trapped 1D Bose gases by Gangardt, D M, Shlyapnikov, G V

“…We discuss stability and phase coherence of 1D trapped Bose gases and find that inelastic decay processes, such as three-body recombination, are suppressed in…”
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Spin waves in a one-dimensional spinor bose gas by FUCHS, J. N, GANGARDT, D. M, KEILMANN, T, SHLYAPNIKOV, G. V

“…We study a one-dimensional (iso)spin 1/2 Bose gas with repulsive delta-function interaction by the Bethe Ansatz method and discuss the excitations above the…”
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Local correlations in a strongly interacting one-dimensional Bose gas by Gangardt, D M, Shlyapnikov, G V

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Collective many-body bounce in the breathing-mode oscillations of a Tonks-Girardeau gas by Atas, Y., Bouchoule, Isabelle, Gangardt, D. M., Kheruntsyan, K. V.

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Bloch oscillations in a one-dimensional spinor gas by Gangardt, D M, Kamenev, A

“…A force applied to a spin-flipped particle in a one-dimensional spinor gas may lead to Bloch oscillations of the particle's position and velocity. The…”
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Quantum decay of dark solitons by Gangardt, D M, Kamenev, A

“…Unless protected by the exact integrability, solitons are subject to dissipative forces, originating from a thermally fluctuating background. At low enough…”
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Critical velocity of a mobile impurity in one-dimensional quantum liquids by Schecter, M, Kamenev, A, Gangardt, D M, Lamacraft, A

“…We study the notion of superfluid critical velocity in one spatial dimension. It is shown that, for heavy impurities with mass M exceeding a critical mass Mc,…”
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Doublon relaxation in the Bose-Hubbard model by Chudnovskiy, A L, Gangardt, D M, Kamenev, A

“…The decay of a high-energy double occupancy state, doublon, in a narrow-band lattice requires the creation of a coherent many-particle excitation. This leads…”
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Internal state conversion in ultracold gases by Fuchs, J N, Gangardt, D M, Laloë, F

“…We consider an ultracold gas of (noncondensed) bosons or fermions with two internal states, and we study the effect of a gradient of the transition frequency…”
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Spatial nonlocal pair correlations in a repulsive 1D Bose gas by Sykes, A G, Gangardt, D M, Davis, M J, Viering, K, Raizen, M G, Kheruntsyan, K V

“…We analytically calculate the spatial nonlocal pair correlation function for an interacting uniform 1D Bose gas at finite temperature and propose an…”
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Mott-insulator phase of coupled one-dimensional atomic gases in a two-dimensional optical lattice by Gangardt, D M, Pedri, P, Santos, L, Shlyapnikov, G V

“…We consider the 2D Mott-insulator state of a 2D array of coupled finite size 1D Bose gases. It is shown that the momentum distribution in the lattice plane is…”
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Finite-temperature correlations and density profiles of an inhomogeneous interacting one-dimensional Bose gas by Kheruntsyan, K. V., Gangardt, D. M., Drummond, P. D., Shlyapnikov, G. V.

“…We calculate the density profiles and density correlation functions of the one-dimensional Bose gas in a harmonic trap, using the exact finite-temperature…”
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Large amplitude spin waves in ultra-cold gases by FUCHS, J. N, GANGARDT, D. M, LALOË, F

“…We discuss the theory of spin waves in non-degenerate ultra-cold gases, and compare various methods which can be used to obtain appropriate kinetic equations…”
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