Physics – Condensed Matter – Quantum Gases
Scientific paper
2011-02-16
Phys. Rev. Lett. 106, 176401 (2011)
Physics
Condensed Matter
Quantum Gases
Scientific paper
10.1103/PhysRevLett.106.176401
We study the coherence and density modulation of a non-equilibrium exciton-polariton condensate in a one-dimensional valley with disorder. By means of interferometric measurements we evidence a modulation of the first-order coherence function and we relate it to a disorder-induced modulation of the condensate density, that increases as the pump power is increased. The non-monotonous spatial coherence function is found to be the result of the strong non-equilibrium character of the one-dimensional system, in the presence of disorder.
Andre Régis
Deveaud-Plédran Benoit
Fontanesi Luca
Lagoudakis Konstantinos G.
Manni F.
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