Non equilibrium phase transition with gravitational-like interaction in a cloud of cold atoms - Laboratoire Jean-Alexandre Dieudonné Accéder directement au contenu
Article Dans Une Revue Physical Review Letters Année : 2014

Non equilibrium phase transition with gravitational-like interaction in a cloud of cold atoms

Résumé

We propose to use a cloud of laser cooled atoms in a quasi two dimensional trap to investigate a non equilibrium collapse phase transition in presence of gravitational-like interaction. Using theoretical arguments and numerical simulations, we show that, like in two dimensional gravity, a transition to a collapsed state occurs below a critical temperature. In addition and as a signature of the non equilibrium nature of the system, persistent particles currents, dramatically increasing close to the phase transition, are observed. PACS numbers: 37.10.De, 04.80.Cc, 05.20.Jj, 37.10.Gh
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Dates et versions

hal-01141169 , version 1 (10-04-2015)

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J Barré, B Marcos, D Wilkowski. Non equilibrium phase transition with gravitational-like interaction in a cloud of cold atoms. Physical Review Letters, 2014, 112, 112 (133001), pp.133001. ⟨hal-01141169⟩
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