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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 …

We present a detailed study of the spatial self-organization of laser-driven atoms in an
optical cavity, an effect predicted on the basis of numerical simulations [P. Domokos and H …

We theoretically study the propagation of light through a cold atomic medium, where the
effects of motion, laser intensity, atomic density, and polarization can all modify the …

Oxidation reactions in heterogeneous catalysis usually involve a Mars and van Krevelen
mechanism which includes activation of the substrate on a metallic cation, insertion of …

We present an overview of the investigations on the transport of near-resonant light in laser-
cooled atomic vapors, a field that emerged during the past decade. We first discuss time …

On the basis of a quantum microscopic approach we study the dynamics of the afterglow of a
dilute Gaussian atomic ensemble excited by pulsed radiation. Taking into account the vector …

In this paper, we study the modification of coherent scattering processes in dense
ensembles. Using absorption imaging, we experimentally demonstrate that the absorption …

We derive general evolution equations describing the ensemble-average quantum
dynamics generated by disordered Hamiltonians. The disorder average affects the …

The scattering strength of a random medium relies on the geometry and spatial distribution
of its components as well as on their refractive index. Anisotropy can, therefore, play a major …