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31 papers · 1 filter
Quantum oscillations in ultracold Fermi gases : realizations with rotating gases or artificial gauge fields
Charles Grenier, Corinna Kollath, Antoine Georges
We consider the angular momentum of a harmonically trapped, noninteracting Fermi gas subject to either rotation or to an artificial gauge field. The angular momentum of the gas is…
Dissipative quantum systems: from two to many atoms
Dario Poletti, Jean-Sebastien Bernier, Antoine Georges +1
We study the dynamics of bosonic atoms in a double well potential under the influence of dissipation. The main effect of dissipation is to destroy quantum coherence and to drive th…
Reaching Fractional Quantum Hall States with Optical Flux Lattices
Nigel R. Cooper, Jean Dalibard
We present a robust scheme by which fractional quantum Hall states of bosons can be achieved for ultracold atomic gases. We describe a new form of optical flux lattice, suitable fo…
Non-Drude universal scaling laws for the optical response of local Fermi liquids
Christophe Berthod, Jernej Mravlje, Xiaoyu Deng +3
We investigate the frequency and temperature dependence of the low-energy electron dynamics in a Landau Fermi liquid with a local self-energy. We show that the frequency and temper…
Direct imaging of topological edge states in cold-atom systems
N. Goldman, J. Dalibard, A. Dauphin +4
Detecting topological order in cold-atom experiments is an ongoing challenge, the resolution of which offers novel perspectives on topological matter. In material systems, unambigu…
Emergence of glass-like dynamics for dissipative and strongly interacting bosons
Dario Poletti, Peter Barmettler, Antoine Georges +1
We study the dynamics of a strongly interacting bosonic quantum gas in an optical lattice potential under the effect of a dissipative environment. We show that the interplay betwee…