Lemarié, Gabriel, Chabé, Julien, Szriftgiser, Pascal, Garreau, Jean-Claude, Grémaud, Benoît, Delande, Dominique
Using a cold atomic gas exposed to laser pulses -- a realization of the chaotic quasiperiodic kicked rotor with three incommensurate frequencies -- we study experimentally and theoretically the...
Anderson localization of solitons (2009)
Sacha, Krzysztof, Müeller, Cord A., Delande, Dominique, Zakrzewski, Jakub
At very low temperature, a quasi-one-dimensional ensemble of atoms with attractive interaction forms a bright soliton. When exposed to a sufficiently weak and smooth external potential, the shape of...
Enhancement of radiation trapping for quasi-resonant scatterers at low temperature (2009)
Pierrat, Romain, Gremaud, Benoit, Delande, Dominique
We present a transport equation for the incoherent propagation of radiation inside a quasi-resonant atomic gas at low temperature. The derivation is based on a generalized Bethe-Salpeter equation...
Breakdown of adiabaticity when loading ultra-cold atoms in optical lattices (2009)
Zakrzewski, Jakub, Delande, Dominique
Realistic simulations of current ultra-cold atoms experiments in optical lattices show that the ramping up of the optical lattice is significantly nonadiabatic, implying that experimentally prepared...
One-Dimensional Anderson Localization in Certain Correlated Random Potentials (2009)
Lugan, Pierre, Aspect, Alain, Sanchez-Palencia, Laurent, Delande, Dominique, Grémaud, Benoît, Müller, Cord, ...
We investigate Anderson localization in weak 1D speckle potentials. We show that long-range correlations induce effective mobility edges corresponding to sharp crossovers between regions here...
One-Dimensional Anderson Localization in Certain Correlated Random Potentials (2009)
Lugan, Pierre, Aspect, Alain, Sanchez-Palencia, Laurent, Delande, Dominique, Grémaud, Benoît, Müller, Cord, ...
We investigate Anderson localization in weak 1D speckle potentials. We show that long-range correlations induce effective mobility edges corresponding to sharp crossovers between regions here...
One-Dimensional Anderson Localization in Certain Correlated Random Potentials (2009)
Lugan, Pierre, Aspect, Alain, Sanchez-Palencia, Laurent, Delande, Dominique, Grémaud, Benoît, Müller, Cord A., ...
We investigate Anderson localization of ultracold atoms in weak 1D correlated random potentials resulting from laser speckles. We show the existence of effective mobility edges corresponding to sharp...
One-Dimensional Anderson Localization in Certain Correlated Random Potentials (2009)
Lugan, Pierre, Aspect, Alain, Sanchez-Palencia, Laurent, Delande, Dominique, Grémaud, Benoît, Müller, Cord, ...
We investigate Anderson localization of ultracold atoms in weak 1D correlated random potentials resulting from laser speckles. We show the existence of effective mobility edges corresponding to sharp...
One-Dimensional Anderson Localization in Certain Correlated Random Potentials (2009)
Lugan, Pierre, Aspect, Alain, Sanchez-Palencia, Laurent, Delande, Dominique, Grémaud, Benoît, Müller, Cord, ...
We investigate Anderson localization of ultracold atoms in weak 1D correlated random potentials resulting from laser speckles. We show the existence of effective mobility edges corresponding to sharp...
Lemarié, Gabriel, Chabé, Julien, Szriftgiser, Pascal, Garreau, Jean-Claude, Grémaud, Benoît, Delande, Dominique
Using a cold atomic gas exposed to laser pulses -- a realization of the chaotic quasiperiodic kicked rotor with three incommensurate frequencies -- we study experimentally and theoretically the...
Lemarié, Gabriel, Chabé, Julien, Szriftgiser, Pascal, Garreau, Jean-Claude, Grémaud, Benoît, Delande, Dominique
Using a cold atomic gas exposed to laser pulses -- a realization of the chaotic quasiperiodic kicked rotor with three incommensurate frequencies -- we study experimentally and theoretically the...
One-dimensional Anderson localization in certain correlated random potentials (2009)
Lugan, Pierre, Aspect, Alain, Sanchez-Palencia, Laurent, Delande, Dominique, Grémaud, Benoît, Müller, Cord, ...
We study Anderson localization of ultracold atoms in weak, one-dimensional speckle potentials, using perturbation theory beyond Born approximation. We show the existence of a series of sharp...
One-dimensional Anderson localization in certain correlated random potentials (2009)
Lugan, Pierre, Aspect, Alain, Sanchez-Palencia, Laurent, Delande, Dominique, Grémaud, Benoît, Müller, Cord, ...
We study Anderson localization of ultracold atoms in weak, one-dimensional speckle potentials, using perturbation theory beyond Born approximation. We show the existence of a series of sharp...
Photonic Hall effect in cold atomic clouds (2008)
Grémaud, Benoît, Delande, Dominique, Sigwarth, Olivier, Miniatura, Christian
On the basis of exact numerical simulations and analytical calculations, we describe qualitatively and quantitatively the interference processes at the origin of the photonic Hall effect for resonant...
Compression as a tool to detect Bose glass in cold atoms experiments (2008)
Delande, Dominique, Zakrzewski, Jakub
We suggest that measuring the variation of the radius of an atomic cloud when the harmonic tap confinement is varied make it possible to monitor the disappearance of the insulating Mott phase of an...
Microwave driven atoms: from Anderson localization to Einstein's photo effect (2008)
Schelle, Alexej, Delande, Dominique, Buchleitner, Andreas
We study the counterpart of Anderson localization in driven one-electron Rydberg atoms. By changing the initial Rydberg state at fixed microwave frequency and interaction time, we numerically monitor...
Experimental observation of the Anderson transition with atomic matter waves (2008)
Chabé, Julien, Lemarié, Gabriel, Grémaud, Benoît, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
We realize experimentally an atom-optics quantum chaotic system, the quasiperiodic kicked rotor, which is equivalent to a 3D disordered system, that allow us to demonstrate the Anderson...
Experimental observation of the Anderson transition with atomic matter waves (2008)
Chabé, Julien, Lemarié, Gabriel, Grémaud, Benoît, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
We realize experimentally an atom-optics quantum chaotic system, the quasiperiodic kicked rotor, which is equivalent to a 3D disordered system, that allow us to demonstrate the Anderson...
Experimental observation of the Anderson transition with atomic matter waves (2007)
Chabé, Julien, Lemarié, Gabriel, Grémaud, Benoît, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
Phase transitions are major phenomena in physics. Of particular interest in modern physics is the metal-insulator Anderson transition in disordered systems, ultimately due to the interplay between...
Experimental observation of the Anderson transition with atomic matter waves (2007)
Chabé, Julien, Lemarié, Gabriel, Grémaud, Benoît, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
We realize experimentally an atom-optics quantum chaotic system, the quasiperiodic kicked rotor, which is equivalent to a 3D disordered system, that allow us to demonstrate the Anderson...
Experimental observation of the Anderson transition with atomic matter waves (2007)
Chabé, Julien, Lemarié, Gabriel, Grémaud, Benoît, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
Phase transitions are major phenomena in physics. Of particular interest in modern physics is the metal-insulator Anderson transition in disordered systems, ultimately due to the interplay between...
Zakrzewski, Jakub, Delande, Dominique
The quantum phase transition point between the insulator and the superfluid phase at unit filling factor of the infinite one-dimensional Bose-Hubbard model is numerically computed with a high...
Coherent backscattering in nonlinear atomic media: quantum Langevin approach (2006)
Grémaud, Benoît, Wellens, Thomas, Delande, Dominique, Miniatura, Christian
In this theoretical paper, we investigate coherence properties of the near-resonant light scattered by two atoms exposed to a strong monochromatic field. To properly incorporate saturation effects,...
Quantum scaling laws in the onset of dynamical delocalization (2006)
Chabé, Julien, Lignier, Hans, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
We study the destruction of dynamical localization, experimentally observed in an atomic realization of the kicked rotor, by a deterministic Hamiltonian perturbation, with a temporal periodicity...
Quantum scaling laws in the onset of dynamical delocalization (2006)
Chabé, Julien, Lignier, Hans, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
We study the destruction of dynamical localization, experimentally observed in an atomic realization of the kicked rotor, by a deterministic Hamiltonian perturbation, with a temporal periodicity...
Quantum scaling laws in the onset of dynamical delocalization (2006)
Chabé, Julien, Lignier, Hans, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
We study the destruction of dynamical localization, experimentally observed in an atomic realization of the kicked rotor, by a deterministic Hamiltonian perturbation, with a temporal periodicity...
Light transport in cold atoms and thermal decoherence (2006)
Labeyrie, Guillaume, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
By using the coherent backscattering interference effect, we investigate experimentally and theoretically how coherent transport of light inside a cold atomic vapour is affected by the residual...
Light transport in cold atoms and thermal decoherence (2006)
Labeyrie, Guillaume, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
By using the coherent backscattering interference effect, we investigate experimentally and theoretically how coherent transport of light inside a cold atomic vapour is affected by the residual...
Light transport in cold atoms and thermal decoherence (2006)
Labeyrie, Guillaume, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
By using the coherent backscattering interference effect, we investigate experimentally and theoretically how coherent transport of light inside a cold atomic vapour is affected by the residual...
Atomes de Rydberg en champs statiques intenses (2006)
Ce travail est consacré à l'étude des atomes de Rydberg plongés dans des champs extérieurs statiques. Quand l'énergie d'interaction avec le champ devient comparable à l'énergie de liaison...
Coherent Backscattering of Light with Nonlinear Atomic Scatterers (2006)
Wellens, Thomas, Gremaud, Benoit, Delande, Dominique, Miniatura, Christian
We study coherent backscattering of a monochromatic laser by a dilute gas of cold two-level atoms in the weakly nonlinear regime. The nonlinear response of the atoms results in a modification of both...
Coherent backscattering in nonlinear atomic media: quantum Langevin approach (2006)
Grémaud, Benoît, Wellens, Thomas, Delande, Dominique, Miniatura, Christian
In this theoretical paper, we investigate coherence properties of the near-resonant light scattered by two atoms exposed to a strong monochromatic field. To properly incorporate saturation effects,...
Quantum scaling laws in the onset of dynamical delocalization (2006)
Chabé, Julien, Lignier, Hans, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
We study the destruction of dynamical localization, experimentally observed in an atomic realization of the kicked rotor, by a deterministic Hamiltonian perturbation, with a temporal periodicity...
Light transport in cold atoms and thermal decoherence (2006)
Labeyrie, Guillaume, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
By using the coherent backscattering interference effect, we investigate experimentally and theoretically how coherent transport of light inside a cold atomic vapour is affected by the residual...
Light transport in cold atoms and thermal decoherence (2006)
Labeyrie, Guillaume, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
By using the coherent backscattering interference effect, we investigate experimentally and theoretically how coherent transport of light inside a cold atomic vapour is affected by the residual...
Quantum scaling laws in the onset of dynamical delocalization (2006)
Chabé, Julien, Lignier, Hans, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
We study the destruction of dynamical localization, experimentally observed in an atomic realization of the kicked rotor, by a deterministic Hamiltonian perturbation, with a temporal periodicity...
Multiple scattering of photons by atomic hyperfine multiplets (2005)
Mueller, Cord A., Miniatura, Christian, Wilkowski, David, Kaiser, Robin, Delande, Dominique
Mesoscopic interference effects in multiple scattering of photons depend crucially on the internal structure of the scatterers. In the present article, we develop the analytical theory of multiple...
Quantum diffusion in the quasiperiodic kicked rotor (2005)
Lignier, Hans, Garreau, Jean Claude, Szriftgiser, Pascal, Delande, Dominique
We study the mechanisms responsible for quantum diffusion in the quasiperiodic kicked rotor. We report experimental measurements of the diffusion constant on the atomic version of the system and...
Observation of sub-Fourier resonances in a quantum quaotic system (2005)
Szriftgiser, Pascal, Ringot, Jean, Delande, Dominique, Garreau, Jean Claude
.
Coherent Backscattering of Light with Nonlinear Atomic Scatterers (2005)
Wellens, Thomas, Gremaud, Benoit, Delande, Dominique, Miniatura, Christian
We study coherent backscattering of a monochromatic laser by a dilute gas of cold two-level atoms in the weakly nonlinear regime. The nonlinear response of the atoms results in a modification of both...
Reversible Destruction of Dynamical Localization (2005)
Lignier, Hans, Chabé, Julien, Delande, Dominique, Garreau, Jean-Claude, Szriftgiser, Pascal
Dynamical localization is a localization phenomenon taking place, for example, in the quantum periodically-driven kicked rotor. It is due to subtle quantum destructive interferences and is thus of...
Coherent backscattering in nonlinear atomic media: quantum Langevin approach (2005)
Gr{é}maud}, Beno{\^\i}t, Wellens, Thomas, Delande, Dominique, Miniatura, Christian
In this theoretical paper, we investigate coherence properties of the near-resonant light scattered by two atoms exposed to a strong monochromatic field. To properly incorporate saturation effects,...
Multiple scattering of photons by atomic hyperfine multiplets (2005)
Mueller, Cord A., Miniatura, Christian, Wilkowski, David, Kaiser, Robin, Delande, Dominique
Mesoscopic interference effects in multiple scattering of photons depend crucially on the internal structure of the scatterers. In the present article, we develop the analytical theory of multiple...
Chaos quantique avec des atomes refroidis par laser (2005)
Lignier, Hans, Thommen, Quentin, Chabé, Julien, Delande, Dominique, Garreau, Jean Claude, Szriftgiser, Pascal, ...
La dynamique des systèmes chaotiques est le sujet de nombreuses études en physique. Après les percées accomplies par Poincaré au début du XXe siècle, les idées se sont fixées avec la...
Radiation trapping in a cold atomic gas (2005)
Labeyrie, Guillaume, Kaiser, Robin, Delande, Dominique
We experimentally study radiation trapping of near-resonant light in a cloud of laser-cooled rubidium atoms. Unlike in most previous studies, dealing with hot vapors, collisional broadening is here...
Coherent backscattering in nonlinear atomic media: quantum Langevin approach (2005)
Grémaud, Benoît, Wellens, Thomas, Delande, Dominique, Miniatura, Christian
In this theoretical paper, we investigate coherence properties of the near-resonant light scattered by two atoms exposed to a strong monochromatic field. To properly incorporate saturation effects,...
Localization of matter waves in two-dimensional disordered optical potentials (2005)
Kuhn, R., Miniatura, Christian, Delande, Dominique, Sigwarth, Olivier, Mueller, Cord A.
We consider ultracold atoms in 2D-disordered optical potentials and calculate microscopic quantities characterizing matter wave quantum transport in the non-interacting regime. We derive the...
Coherent backscattering of light by nonlinear scatterer (2005)
Wellens, Thomas, Grémaud, Benoit, Delande, Dominique, Miniatura, Christian
We theoretically study the propagation of light in a disordered medium with nonlinear scatterers. We especially focus on interference effects between reversed multiple scattering paths, which lead to...
Multiple scattering of photons by atomic hyperfine multiplets (2005)
Mueller, Cord A., Miniatura, Christian, Wilkowski, David, Kaiser, Robin, Delande, Dominique
Mesoscopic interference effects in multiple scattering of photons depend crucially on the internal structure of the scatterers. In the present article, we develop the analytical theory of multiple...
Coherent Backscattering of Light with Nonlinear Atomic Scatterers (2005)
Wellens, Thomas, Gremaud, Benoit, Delande, Dominique, Miniatura, Christian
We study coherent backscattering of a monochromatic laser by a dilute gas of cold two-level atoms in the weakly nonlinear regime. The nonlinear response of the atoms results in a modification of both...
Reversible Destruction of Dynamical Localization (2005)
Lignier, Hans, Chabé, Julien, Delande, Dominique, Garreau, Jean Claude, Szriftgiser, Pascal
Dynamical localization is a localization phenomenon taking place, for example, in the quantum periodically-driven kicked rotor. It is due to subtle quantum destructive interferences and is thus of...
Chaos quantique avec des atomes refroidis par laser (2005)
Lignier, Hans, Thommen, Quentin, Chabé, Julien, Delande, Dominique, Garreau, Jean Claude, Szriftgiser, Pascal, ...
La dynamique des systèmes chaotiques est le sujet de nombreuses études en physique. Après les percées accomplies par Poincaré au début du XXe siècle, les idées se sont fixées avec la...
Multiple scattering of photons by atomic hyperfine multiplets (2005)
Mueller, Cord A., Miniatura, Christian, Wilkowski, David, Kaiser, Robin, Delande, Dominique
Mesoscopic interference effects in multiple scattering of photons depend crucially on the internal structure of the scatterers. In the present article, we develop the analytical theory of multiple...
Coherent Backscattering of Light with Nonlinear Atomic Scatterers (2005)
Wellens, Thomas, Gremaud, Benoit, Delande, Dominique, Miniatura, Christian
We study coherent backscattering of a monochromatic laser by a dilute gas of cold two-level atoms in the weakly nonlinear regime. The nonlinear response of the atoms results in a modification of both...
Reversible Destruction of Dynamical Localization (2005)
Lignier, Hans, Chabé, Julien, Delande, Dominique, Garreau, Jean Claude, Szriftgiser, Pascal
Dynamical localization is a localization phenomenon taking place, for example, in the quantum periodically-driven kicked rotor. It is due to subtle quantum destructive interferences and is thus of...
Chaos quantique avec des atomes refroidis par laser (2005)
Lignier, Hans, Thommen, Quentin, Chabé, Julien, Delande, Dominique, Garreau, Jean Claude, Szriftgiser, Pascal, ...
La dynamique des systèmes chaotiques est le sujet de nombreuses études en physique. Après les percées accomplies par Poincaré au début du XXe siècle, les idées se sont fixées avec la...
Reversible Destruction of Dynamical Localization (2005)
Lignier, Hans, Chabé, Julien, Delande, Dominique, Garreau, Jean Claude, Szriftgiser, Pascal
Dynamical localization is a localization phenomenon taking place, for example, in the quantum periodically-driven kicked rotor. It is due to subtle quantum destructive interferences and is thus of...
Chaos quantique avec des atomes refroidis par laser (2005)
Lignier, Hans, Thommen, Quentin, Chabé, Julien, Delande, Dominique, Garreau, Jean Claude, Szriftgiser, Pascal, ...
La dynamique des systèmes chaotiques est le sujet de nombreuses études en physique. Après les percées accomplies par Poincaré au début du XXe siècle, les idées se sont fixées avec la...
Reversible Destruction of Dynamical Localization (2005)
Lignier, Hans, Chabé, Julien, Delande, Dominique, Garreau, Jean Claude, Szriftgiser, Pascal
Dynamical localization is a localization phenomenon taking place, for example, in the quantum periodically-driven kicked rotor. It is due to subtle quantum destructive interferences and is thus of...
Quantum diffusion in the quasiperiodic kicked rotor (2004)
Lignier, Hans, Garreau, Jean Claude, Szriftgiser, Pascal, Delande, Dominique
We study the mechanisms responsible for quantum diffusion in the quasiperiodic kicked rotor. We report experimental measurements of the diffusion constant on the atomic version of the system and...
A new vibrational level of the H2+ molecular ion. (2004)
Carbonell, J., Lazauskas, R., Delande, Dominique, Hilico, Laurent, Kilic, S.
A new state of the H$_2^+$ molecular ion with binding energy of 1.09$\times10^{-9}$ a.u. below the first dissociation limit is predicted, using highly accurate numerical nonrelativistic quantum...
Ringot, J., Szriftgiser, P., Garreau, J.C, Delande, Dominique
This paper presents the first experimental evidence of the transition from dynamical localization to delocalization under the influence of a quasi-periodic driving on a quantum system. A quantum...
Coherent backscattering of light by cold atoms: theory meets experiment (2004)
Labeyrie, Guillaume, Delande, Dominique, Mueller, Cord, Miniatura, Christian, Kaiser, Robin
Coherent backscattering (CBS) of quasi-resonant light by cold atoms presents some specific features due to the internal structure of the atomic scatterers. We present the first quantitative...
Coherent light transport in a cold strontium cloud (2004)
Bibel, Y., Klappauf, B., Delande, Dominique, Labeyrie, Guillaume, Miniatura, Christian, ...
We study light coherent transport in the weak localization regime using magneto-optically cooled strontium atoms. The coherent backscattering cone is measured in the four polarization channels using...
Delande, Dominique, Sacha, K., Zakrzewski, J.
We show that combination of a linearly polarized resonant microwave field and a parallel static electric field may be used to create a non-dispersive electronic wavepacket in Rydberg atoms. The...
Non-dispersive wave packets in periodically driven quantum systems (2004)
Buchleitner, A., Delande, Dominique, Zakrzewski, J.
With the exception of the harmonic oscillator, quantum wave-packets usually spread as time evolves. We show here that, using the nonlinear resonance between an internal frequency of a system and an...
Hanle effect in coherent backscattering (2004)
Labeyrie, Guillaume, Miniatura, Christian, Muller, C., Sigwarth, Olivier, Delande, Dominique, Kaiser, Robin
Quantum three-body Coulomb problem in two dimensions (2004)
Hilico, Laurent, Grémaud, Benoît, Jonckheere, Thibaut, Billy, Nicolas, Delande, Dominique
Weak localization of light by cold atoms: the impact of quantum internal structure (2004)
Müller, C., Jonckheere, Thibaut, Miniatura, Christian, Delande, Dominique
Multiple scattering of light by atoms in the weak localization regime (2004)
Jonckheere, Thibaut, Muller, C., Kaiser, Robin, Miniatura, Christian, Delande, Dominique
Signatures of chaotic tunneling (2004)
Mouchet, Amaury, Delande, Dominique
Recent experiments with cold atoms provide a significant step toward a better understanding of tunneling when irregular dynamics is present at the classical level. In this paper, we lay out numerical...
Chaos assisted tunneling with cold atoms (2004)
Mouchet, Amaury, Miniatura, Christian, Kaiser, Robin, Grémaud, Benoît, Delande, Dominique
In the context of quantum chaos, both theory and numerical analysis predict large fluctuations of the tunneling transition probabilities when irregular dynamics is present at the classical level....
Analysis of dynamical tunnelling experiments with a Bose-Einstein condensate (2004)
Hensinger, Winfried K., Mouchet, Amaury, Julienne, Paul S., Delande, Dominique, Heckenberg, Norman R., Rubinsztein-Dunlop, Halina
Dynamical tunnelling is a quantum phenomenon where a classically forbidden process occurs, that is prohibited not by energy but by another constant of motion. The phenomenon of dynamical tunnelling...
Mechanism and Lineshapes of Sub-Fourier Resonances (2004)
Lignier, Hans, Garreau, Jean Claude, Szriftgiser, Pascal, Delande, Dominique
Subtle internal interference effects allow quantum-chaotic systems to display "sub-Fourier" resonances, i.e. to distinguish two neighboring driving frequencies in a time shorter than the inverse of...
Magnetic Field Enhanced Coherence Length in Cold Atomic Gases (2004)
Sigwarth, Olivier, Labeyrie, Guillaume, Jonckheere, Thibaut, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
We study the effect of an external magnetic field on coherent backscattering of light from a cool rubidium vapor. We observe that the backscattering enhancement factor can be {\it increased} with...
Multiple scattering of light in a resonant medium (2004)
Labeyrie, Guillaume, Delande, Dominique, Mueller, Cord A., Miniatura, Christian, Kaiser, Robin
We investigate some signatures of multiple scattering of light in a vapor of laser-cooled rubidium atoms. This sample presents several unusual properties when compared to classical samples i.e. white...
Quantum diffusion in the quasiperiodic kicked rotor (2004)
Lignier, Hans, Garreau, Jean Claude, Szriftgiser, Pascal, Delande, Dominique
We study the mechanisms responsible for quantum diffusion in the quasiperiodic kicked rotor. We report experimental measurements of the diffusion constant on the atomic version of the system and...
Magnetic Field Enhanced Coherence Length in Cold Atomic Gases (2004)
Sigwarth, Olivier, Labeyrie, Guillaume, Jonckheere, Thibaut, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
We study the effect of an external magnetic field on coherent backscattering of light from a cool rubidium vapor. We observe that the backscattering enhancement factor can be {\it increased} with...
Analysis of dynamical tunnelling experiments with a Bose-Einstein condensate (2004)
Hensinger, Winfried, Mouchet, Amaury, Julienne, Paul S., Delande, Dominique, Heckenberg, Norman R., Rubinsztein-Dunlop, Halina
Dynamical tunnelling is a quantum phenomenon where a classically forbidden process occurs, that is prohibited not by energy but by another constant of motion. The phenomenon of dynamical tunnelling...
Quantum diffusion in the quasiperiodic kicked rotor (2004)
Lignier, Hans, Garreau, Jean Claude, Szriftgiser, Pascal, Delande, Dominique
We study the mechanisms responsible for quantum diffusion in the quasiperiodic kicked rotor. We report experimental measurements of the diffusion constant on the atomic version of the system and...
Magnetic Field Enhanced Coherence Length in Cold Atomic Gases (2004)
Sigwarth, Olivier, Labeyrie, Guillaume, Jonckheere, Thibaut, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
We study the effect of an external magnetic field on coherent backscattering of light from a cool rubidium vapor. We observe that the backscattering enhancement factor can be {\it increased} with...
Analysis of dynamical tunnelling experiments with a Bose-Einstein condensate (2004)
Hensinger, Winfried, Mouchet, Amaury, Julienne, Paul S., Delande, Dominique, Heckenberg, Norman R., Rubinsztein-Dunlop, Halina
Dynamical tunnelling is a quantum phenomenon where a classically forbidden process occurs, that is prohibited not by energy but by another constant of motion. The phenomenon of dynamical tunnelling...
Magnetic Field Enhanced Coherence Length in Cold Atomic Gases (2004)
Sigwarth, Olivier, Labeyrie, Guillaume, Jonckheere, Thibaut, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
We study the effect of an external magnetic field on coherent backscattering of light from a cool rubidium vapor. We observe that the backscattering enhancement factor can be {\it increased} with...
Analysis of dynamical tunnelling experiments with a Bose-Einstein condensate (2004)
Hensinger, Winfried, Mouchet, Amaury, Julienne, Paul S., Delande, Dominique, Heckenberg, Norman R., Rubinsztein-Dunlop, Halina
Dynamical tunnelling is a quantum phenomenon where a classically forbidden process occurs, that is prohibited not by energy but by another constant of motion. The phenomenon of dynamical tunnelling...
Magnetic Field Enhanced Coherence Length in Cold Atomic Gases (2004)
Sigwarth, Olivier, Labeyrie, Guillaume, Jonckheere, Thibaut, Delande, Dominique, Kaiser, Robin, Miniatura, Christian
We study the effect of an external magnetic field on coherent backscattering of light from a cool rubidium vapor. We observe that the backscattering enhancement factor can be {\it increased} with...
Analysis of dynamical tunnelling experiments with a Bose-Einstein condensate (2004)
Hensinger, Winfried, Mouchet, Amaury, Julienne, Paul S., Delande, Dominique, Heckenberg, Norman R., Rubinsztein-Dunlop, Halina
Dynamical tunnelling is a quantum phenomenon where a classically forbidden process occurs, that is prohibited not by energy but by another constant of motion. The phenomenon of dynamical tunnelling...
Delande, Dominique, Zakrzewski, Jakub
Statistics of tunneling rates in the presence of chaotic classicaldynamics is discussed on a realistic example: a hydrogen atomplaced in parallel uniform static electric and magnetic fields,...
Delande, Dominique, Zakrzewski, Jakub
Statistics of tunneling rates in the presence of chaotic classicaldynamics is discussed on a realistic example: a hydrogen atomplaced in parallel uniform static electric and magnetic fields,...
Delande, Dominique, Zakrzewski, Jakub
Statistics of tunneling rates in the presence of chaotic classical dynamics is discussed on a realistic example: a hydrogen atom placed in parallel uniform static electric and magnetic fields, where...
Experimental study of quantum chaos with cold atoms (2003)
Szriftgiser, Pascal, Lignier, Hans, Ringot, Jean, Garreau, Jean Claude, Delande, Dominique
We investigate experimentally the quantum behavior of laser-cooled atoms in a pulsed standing wave, a system that is an atomic analog of the quantum kicked rotor. In particular, it may display the...
Coherent backscattering of light by cold atoms: theory meets experiment (2003)
Labeyrie, Guillaume, Delande, Dominique, Mueller, Cord, Miniatura, Christian, Kaiser, Robin
Coherent backscattering (CBS) of quasi-resonant light by cold atoms presents some specific features due to the internal structure of the atomic scatterers. We present the first quantitative...
A new vibrational level of the H2+ molecular ion. (2003)
Carbonell, J., Lazauskas, R., Delande, Dominique, Hilico, Laurent, Kilic, S.
A new state of the H$_2^+$ molecular ion with binding energy of 1.09$\times10^{-9}$ a.u. below the first dissociation limit is predicted, using highly accurate numerical nonrelativistic quantum...
Coherent backscattering of light by an inhomogeneous cloud of cold atoms (2003)
Labeyrie, Guillaume, Delande, Dominique, Mueller, Cord A., Miniatura, Christian, Kaiser, Robin
When a quasiresonant laser beam illuminates an optically thick cloud of laser-cooled rubidium atoms, the average diffuse intensity reflected off the sample is enhanced in a narrow angular range...
Slow Diffusion of Light in a Cold Atomic Cloud (2003)
Labeyrie, Guillaume, Vaujour, E., Mueller, Cord A., Delande, Dominique, Miniatura, Christian, Wilkowski, David, ...
We study the diffusive propagation of multiply scattered light in an optically thick cloud of cold rubidium atoms illuminated by a quasiresonant laser beam. In the vicinity of a sharp atomic...
Coherent backscattering of light by cold atoms: theory meets experiment (2003)
Labeyrie, Guillaume, Delande, Dominique, Mueller, Cord, Miniatura, Christian, Kaiser, Robin
Coherent backscattering (CBS) of quasi-resonant light by cold atoms presents some specific features due to the internal structure of the atomic scatterers. We present the first quantitative...
A new vibrational level of the H2+ molecular ion. (2003)
Carbonell, J., Lazauskas, R., Delande, Dominique, Hilico, Laurent, Kilic, S.
A new state of the H$_2^+$ molecular ion with binding energy of 1.09$\times10^{-9}$ a.u. below the first dissociation limit is predicted, using highly accurate numerical nonrelativistic quantum...
Delande, Dominique, Zakrzewski, Jakub
Statistics of tunneling rates in the presence of chaotic classicaldynamics is discussed on a realistic example: a hydrogen atomplaced in parallel uniform static electric and magnetic fields,...
Delande, Dominique, Zakrzewski, Jakub
Statistics of tunneling rates in the presence of chaotic classicaldynamics is discussed on a realistic example: a hydrogen atomplaced in parallel uniform static electric and magnetic fields,...
Signatures of chaotic tunnelling (2002)
Mouchet, Amaury, Delande, Dominique
Recent experiments with cold atoms provide a significant step toward a better understanding of tunnelling when irregular dynamics is present at the classical level. In this paper, we lay out...
Signatures of chaotic tunneling (2002)
Mouchet, Amaury, Delande, Dominique
Recent experiments with cold atoms provide a significant step toward a better understanding of tunneling when irregular dynamics is present at the classical level. In this paper, we lay out numerical...
Signatures of chaotic tunneling (2002)
Mouchet, Amaury, Delande, Dominique
Recent experiments with cold atoms provide a significant step toward a better understanding of tunneling when irregular dynamics is present at the classical level. In this paper, we lay out numerical...
Coherent backscattering of light by cold atoms: theory meets experiment (2002)
Labeyrie, Guillaume, Delande, Dominique, Mueller, Cord A., Miniatura, Christian, Kaiser, Robin
Coherent backscattering (CBS) of quasi-resonant light by cold atoms presents some specific features due to the internal structure of the atomic scatterers. We present the first quantitative...
Non-dispersive wave packets in periodically driven quantum systems (2002)
Buchleitner, Andreas, Delande, Dominique, Zakrzewski, Jakub
With the exception of the harmonic oscillator, quantum wave-packets usually spread as time evolves. We show here that, using the nonlinear resonance between an internal frequency of a system and an...
Observation of sub-Fourier resonances in a quantum-chaotic system (2002)
Szriftgiser, Pascal, Ringot, Jean, Delande, Dominique, Garreau, Jean Claude
We experimentally show that the response of a quantum-chaotic system can display resonance lines sharper than the inverse of the excitation duration. This allows us to discriminate two neighboring...
A new vibrational level of the H$_2^+$ molecular ion (2002)
Carbonell, Jaume, Lazauskas, Rimantas, Delande, Dominique, Hilico, Laurent, Kılıç, Senem
A new state of the H$_2^+$ molecular ion with binding energy of 1.09$\times10^{-9}$ a.u. below the first dissociation limit is predicted, using highly accurate numerical nonrelativistic quantum...
Delande, Dominique, Sacha, Krzysztof, Zakrzewski, Jakub
We show that combination of a linearly polarized resonant microwave field and a parallel static electric field may be used to create a non-dispersive electronic wavepacket in Rydberg atoms. The...
Observation of sub-Fourier resonances in a quantum quaotic system (2002)
Szriftgiser, Pascal, Ringot, Jean, Delande, Dominique, Garreau, Jean Claude
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Coherent light transport in a cold strontium cloud (2002)
Bibel, Y., Klappauf, B., Delande, Dominique, Labeyrie, Guillaume, Miniatura, Christian, ...
We study light coherent transport in the weak localization regime using magneto-optically cooled strontium atoms. The coherent backscattering cone is measured in the four polarization channels using...
Non-dispersive wave packets in periodically driven quantum systems (2002)
Buchleitner, A., Delande, Dominique, Zakrzewski, J.
With the exception of the harmonic oscillator, quantum wave-packets usually spread as time evolves. We show here that, using the nonlinear resonance between an internal frequency of a system and an...
Delande, Dominique, Sacha, K., Zakrzewski, J.
We show that combination of a linearly polarized resonant microwave field and a parallel static electric field may be used to create a non-dispersive electronic wavepacket in Rydberg atoms. The...
Hanle effect in coherent backscattering (2002)
Labeyrie, Guillaume, Miniatura, Christian, Muller, C., Sigwarth, Olivier, Delande, Dominique, Kaiser, Robin
Quantum three-body Coulomb problem in two dimensions (2002)
Hilico, Laurent, Grémaud, Benoît, Jonckheere, Thibaut, Billy, Nicolas, Delande, Dominique
Observation of sub-Fourier resonances in a quantum quaotic system (2002)
Szriftgiser, Pascal, Ringot, Jean, Delande, Dominique, Garreau, Jean Claude
.
Coherent light transport in a cold strontium cloud (2002)
Bibel, Y., Klappauf, B., Delande, Dominique, Labeyrie, Guillaume, Miniatura, Christian, ...
We study light coherent transport in the weak localization regime using magneto-optically cooled strontium atoms. The coherent backscattering cone is measured in the four polarization channels using...
Non-dispersive wave packets in periodically driven quantum systems (2002)
Buchleitner, A., Delande, Dominique, Zakrzewski, J.
With the exception of the harmonic oscillator, quantum wave-packets usually spread as time evolves. We show here that, using the nonlinear resonance between an internal frequency of a system and an...
Delande, Dominique, Sacha, K., Zakrzewski, J.
We show that combination of a linearly polarized resonant microwave field and a parallel static electric field may be used to create a non-dispersive electronic wavepacket in Rydberg atoms. The...
Hanle effect in coherent backscattering (2002)
Labeyrie, Guillaume, Miniatura, Christian, Muller, C., Sigwarth, Olivier, Delande, Dominique, Kaiser, Robin
Quantum three-body Coulomb problem in two dimensions (2002)
Hilico, Laurent, Grémaud, Benoît, Jonckheere, Thibaut, Billy, Nicolas, Delande, Dominique
Quantum three body Coulomb problem in two dimensions (2002)
Hilico, Laurent, Grémaud, Benoît, Jonckheere, Thibaut, Billy, Nicolas, Delande, Dominique
We study the three-body Coulomb problem in two dimensions and show how to calculate very accurately its quantum properties. The useof a convenient set of coordinates makes it possible to write the...
Quantum three body Coulomb problem in two dimensions (2002)
Hilico, Laurent, Grémaud, Benoît, Jonckheere, Thibaut, Billy, Nicolas, Delande, Dominique
We study the three-body Coulomb problem in two dimensions and show how to calculate very accurately its quantum properties. The useof a convenient set of coordinates makes it possible to write the...
Weak localization of light by cold atoms: the impact of quantum internal structure (2001)
Mueller, Cord A., Jonckheere, Thibaut, Miniatura, Christian, Delande, Dominique
Since the work of Anderson on localization, interference effects for the propagation of a wave in the presence of disorder have been extensively studied, as exemplified in coherent backscattering...
Weak localization of light by cold atoms: the impact of quantum internal structure (2001)
Müller, C., Jonckheere, Thibaut, Miniatura, Christian, Delande, Dominique
Weak localization of light by cold atoms: the impact of quantum internal structure (2001)
Müller, C., Jonckheere, Thibaut, Miniatura, Christian, Delande, Dominique
Hilico, Laurent, Billy, Nicolas, Grémaud, Benoit, Delande, Dominique
We present the computation of the two-photon transition matrix element between vibrational states of H2+ or D2+ of the 1Se symmetry (i.e. two J=0 vibrational levels of the 1ssg electronic ground...
Hilico, Laurent, Billy, Nicolas, Grémaud, Benoit, Delande, Dominique
We present the computation of the two-photon transition matrix element between vibrational states of H2+ or D2+ of the 1Se symmetry (i.e. two J=0 vibrational levels of the 1ssg electronic ground...
Chaos assisted tunneling with cold atoms (2000)
Mouchet, Amaury, Miniatura, Christian, Kaiser, Robin, Grémaud, Benoît, Delande, Dominique
In the context of quantum chaos, both theory and numerical analysis predict large fluctuations of the tunneling transition probabilities when irregular dynamics is present at the classical level....
Chaos assisted tunneling with cold atoms (2000)
Mouchet, Amaury, Miniatura, Christian, Kaiser, Robin, Grémaud, Benoît, Delande, Dominique
In the context of quantum chaos, both theory and numerical analysis predict large fluctuations of the tunneling transition probabilities when irregular dynamics is present at the classical level....
Ringot, Jean, Szriftgiser, Pascal, Garreau, Jean-Claude, Delande, Dominique
This paper presents the first experimental evidence of the transition from dynamical localization to delocalization under the influence of a quasi-periodic driving on a quantum system. A quantum...
Multiple scattering of light by atoms in the weak localization regime (2000)
Jonckheere, Thibaut, Mueller, Cord A., Kaiser, Robin, Miniatura, Christian, Delande, Dominique
Coherent backscattering is a multiple scattering interference effect which enhances the diffuse reflection off a disordered sample in the backward direction. Classically, the enhanced intensity is...
Breaking time reversal symmetry in chaotic driven Rydberg atoms (2000)
Sacha, Krzysztof, Zakrzewski, Jakub, Delande, Dominique
We consider the dynamics of Rydberg states of the hydrogen atom driven by a microwave field of elliptical polarization, with a possible additional static electric field. We concentrate on the effect...
Ringot, J., Szriftgiser, P., Garreau, J.C, Delande, Dominique
This paper presents the first experimental evidence of the transition from dynamical localization to delocalization under the influence of a quasi-periodic driving on a quantum system. A quantum...
Multiple scattering of light by atoms in the weak localization regime (2000)
Jonckheere, Thibaut, Muller, C., Kaiser, Robin, Miniatura, Christian, Delande, Dominique
Ringot, J., Szriftgiser, P., Garreau, J.C, Delande, Dominique
This paper presents the first experimental evidence of the transition from dynamical localization to delocalization under the influence of a quasi-periodic driving on a quantum system. A quantum...
Multiple scattering of light by atoms in the weak localization regime (2000)
Jonckheere, Thibaut, Muller, C., Kaiser, Robin, Miniatura, Christian, Delande, Dominique
Ab initio calculation of the J=0 and J=1 states of the H2+, D2+ and HD+ molecular ions (2000)
Hilico, Laurent, Billy, Nicolas, Grémaud, Benoit, Delande, Dominique
A new, non adiabatic, description of the H2+ molecular ion and its isotopomers is proposed : the molecular system is treated as a three body Coulomb system, in the framework of non relativistic...
Ab initio calculation of the J=0 and J=1 states of the H2+, D2+ and HD+ molecular ions (2000)
Hilico, Laurent, Billy, Nicolas, Grémaud, Benoit, Delande, Dominique
A new, non adiabatic, description of the H2+ molecular ion and its isotopomers is proposed : the molecular system is treated as a three body Coulomb system, in the framework of non relativistic...
Chaotic Rydberg atoms with broken time-reversal symmetry (1999)
Sacha, Krzysztof, Zakrzewski, Jakub, Delande, Dominique
The dynamics of Rydberg states of atomic hydrogen perturbed simultaneously by a static electric field and a resonant microwave field of elliptical polarization is analysed in the quantum perturbative...
Ghost orbits in the diamagnetic hydrogen spectrum using harmonic inversion (1999)
Gremaud, Benoit, Delande, Dominique
The harmonic inversion method is applied in the case of the hydrogen atom in a magnetic field to extract classical information from the quantum photo-ionization cross-section. The study is made close...
Spontaneous emission of non-dispersive Rydberg wave packets (1998)
Delande, Dominique, Zakrzewski, Jakub
Non dispersive electronic Rydberg wave packets may be created in atoms illuminated by a microwave field of circular polarization. We discuss the spontaneous emission from such states and show that...
Gremaud, Benoit, Delande, Dominique
We calculate the photo-ionization cross-section from the ground state of the helium atom, using the complex rotation method and diagonalization of sparse matrices. This produces directly the...
Ionization via Chaos Assisted Tunneling (1997)
Zakrzewski, Jakub, Delande, Dominique, Buchleitner, Andreas
A simple example of quantum transport in a classically chaotic system is studied. It consists in a single state lying on a regular island (a stable primary resonance island) which may tunnel into a...
2D Quantum Hydrogen Atom in Circularly Polarized Microwaves (1995)
Zakrzewski, Jakub, Gebarowski, Robert, Delande, Dominique
The ionization of hydrogen Rydberg atoms by circularly polarized microwaves is studied quantum mechanically in a model two dimensional atom. We apply a combination of a transformation to the...
Statistical properties of energy levels of chaotic systems: Wigner or non-Wigner (1995)
Zakrzewski, Jakub, Dupret, Karine, Delande, Dominique
For systems whose classical dynamics is chaotic, it is generally believed that the local statistical properties of the quantum energy levels are well described by Random Matrix Theory. We present...
Wavefunctions of atomic resonances (1994)
Buchleitner, Andreas, Grémaud, Benoit, Delande, Dominique
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Quantum dynamics of a circular Rydberg state in a microwave field (1993)
Buchleitner, Andreas, Delande, Dominique
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Dynamical localization in more than one dimension (1993)
Buchleitner, Andreas, Delande, Dominique
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Atomes de Rydberg en champs statiques intenses (1988)
Ce travail est consacré à l'étude des atomes de Rydberg plongés dans des champs extérieurs statiques. Quand l'énergie d'interaction avec le champ devient comparable à l'énergie de liaison...
Atomes de Rydberg en champs statiques intenses (1988)
Ce travail est consacré à l'étude des atomes de Rydberg plongés dans des champs extérieurs statiques. Quand l'énergie d'interaction avec le champ devient comparable à l'énergie de liaison...
Atomes de Rydberg en champs statiques intenses (1988)
Ce travail est consacré à l'étude des atomes de Rydberg plongés dans des champs extérieurs statiques. Quand l'énergie d'interaction avec le champ devient comparable à l'énergie de liaison...
Atomes de Rydberg en champs statiques intenses (1988)
Ce travail est consacré à l'étude des atomes de Rydberg plongés dans des champs extérieurs statiques. Quand l'énergie d'interaction avec le champ devient comparable à l'énergie de liaison...
Atomes de Rydberg en champs statiques intenses (1988)
Ce travail est consacré à l'étude des atomes de Rydberg plongés dans des champs extérieurs statiques. Quand l'énergie d'interaction avec le champ devient comparable à l'énergie de liaison...