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97 papers · 1 filter
Dissipative phase transition with driving-controlled spatial dimension and diffusive boundary conditions
Z. Li, F. Claude, T. Boulier +4
We investigate theoretically and experimentally a first-order dissipative phase transition, with diffusive boundary conditions and the ability to tune the spatial dimension of the…
Merging of vortices and antivortices in polariton superfluids
Emiliano Cancellieri, Thomas Boulier, Romain Hivet +6
Quantised vortices are remarkable manifestations on a macroscopic scale of the coherent nature of quantum fluids, and the study of their properties is of fundamental importance for…
Annular Vortex Chain in a Resonantly Pumped Polariton Superfluid
T. Boulier, H. Terças, D. D. Solnyshkov +4
We report the formation of a ring-shaped array of vortices after injection of angular momentum in a polariton superfluid. The angular momentum is injected by a Laguerre-G…
Quantum levitation of nanoparticles seen with ultracold neutrons
V. V. Nesvizhevsky, A. Yu. Voronin, A. Lambrecht +4
Analyzing new experiments with ultracold neutrons (UCNs) we show that physical adsorption of nanoparticles/nano-droplets, levitating in high-excited states in a deep and broad pote…
The Casimir energy between nanostructured gratings of arbitrary periodic profile
Johann Lussange, Romain Guérout, Astrid Lambrecht
We study the lateral dependence of the Casimir energy for different corrugated gratings of arbitrary periodic profile. To this end we model the profiles as stacks of horizontal rec…
Electrostatic patch effects in Casimir force experiments performed in the sphere-plane geometry
R. O. Behunin, Y. Zeng, D. A. R. Dalvit +1
Patch potentials arising from the polycrystalline structure of material samples may contribute significantly to measured signals in Casimir force experiments. Most of these experim…