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6 papers · 2 filters
Rotons and their damping in elongated dipolar Bose-Einstein condensates
S. I. Matveenko, M. S. Bahovadinov, M. A. Baranov +1
We discuss finite temperature damping of rotons in elongated Bose-condensed dipolar gases, which are in the Thomas-Fermi regime in the tightly confined directions. The presence of…
Beyond-mean-field effects in Rabi-coupled two-component Bose-Einstein condensate
L Lavoine, A Hammond, A Recati +2
We theoretically calculate and experimentally measure the beyond-mean-field (BMF) equation of state in a coherently-coupled two-component Bose-Einstein condensate (BEC) in the regi…
One-dimensional spin-1/2 fermionic gases with two-body losses: weak dissipation and spin conservation
Lorenzo Rosso, Davide Rossini, Alberto Biella +1
We present a theoretical analysis of the dynamics of a one-dimensional spin-1/2 fermionic gas subject to weak two-body losses. Our approach highlights the crucial role played by sp…
Bipartite and tripartite entanglement in a Bose-Einstein acoustic black hole
Mathieu Isoard, Nadia Milazzo, Nicolas Pavloff +1
We investigate quantum entanglement in an analogue black hole realized in the flow of a Bose-Einstein condensate. The system is described by a three-mode Gaussian state and we cons…
Quantitative Analysis of Shock Wave Dynamics in a Fluid of Light
T. Bienaimé, M. Isoard, Q. Fontaine +4
We report on the formation of a dispersive shock wave in a nonlinear optical medium. We monitor the evolution of the shock by tuning the incoming beam power. The experimental obser…
Dynamical quantum Cherenkov transition of fast impurities in quantum liquids
Kushal Seetharam, Yulia Shchadilova, Fabian Grusdt +2
The challenge of understanding the dynamics of a mobile impurity in an interacting quantum many-body medium comes from the necessity of including entanglement between the impurity…