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Mean-field phase diagram of the 1-D Bose gas in a disorder potential
L. Fontanesi, M. Wouters, V. Savona
We study the quantum phase transition of the 1D weakly interacting Bose gas in the presence of disorder. We characterize the phase transition as a function of disorder and interact…
Dynamics of long-range order in an exciton-polariton condensate
G. Nardin, K. G. Lagoudakis, M. Wouters +6
We report on time resolved measurements of the first order spatial coherence in an exciton polariton Bose-Einstein condensate. Long range spatial coherence is found to set in right…
Creation and detection of vortices in polariton condensates
Michiel Wouters, Vincenzo Savona
We investigate theoretically the creation, persistence and detection of quantized vortices in nonequilibrium polariton condensates within a stochastic classical field model. The li…
Superfluid to Bose-glass transition in a 1D weakly interacting Bose gas
Luca Fontanesi, Michiel Wouters, Vincenzo Savona
We study the one-dimensional Bose gas in spatially correlated disorder at zero temperature, using an extended density-phase Bogoliubov method. We analyze in particular the decay of…
Coexisting Non-Equilibrium Condensates with Long-Range Spatial Coherence in Semiconductor Microcavities
D. N. Krizhanovskii, K. G. Lagoudakis, M. Wouters +9
Real and momentum space spectrally resolved images of microcavity polariton emission in the regime of condensation are investigated under non resonant excitation using a laser sour…