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Non equilibrium physics with quantum fluids of light (Quentin Glorieux / LCAR / Seminar). – 13/01/23, 11H

13 January 2023; 11h00 - 12h30

Quentin Glorieux (Laboratoire Kastler Brossel (LKB), Ecole Normal Supérieur – Sorbonne Université – CNRS, Paris, France)

Séminaire, vendredi 13 janvier 2023 11H. – Salle de séminaire, 3R1, 3ème étage

Résumé :
Hot atomic vapors are widely used in non-linear and quantum optics due to their large Kerr non-linearity. This non-linearity induces effective photon-photon interactions allowing light to behave as a fluid displaying quantum properties such as superfluidity. In this presentation, I will show that we have full control over the Hamiltonian that drives the system and that we can engineer an analogue simulator with light. In particular, I will discuss 2 experiments:
1– Observation of a pre-thermal state in a 2D quantum fluid and the analogy with non-equilibrium BKT physics
2– Emergence of isotropy and inverse energy cascade in a 2D turbulent fluid light


13 January 2023
11h00 - 12h30
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salle de séminaire 3ème étage
Bâtiment 3r1 Université Toulouse III
Toulouse, 31400 France
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