Presentation

Solitons  play a central role in both physics and mathematics, where they emerge as robust solutions to nonlinear equations governing a broad range of systems. Their remarkable stability makes them ideal probes of fundamental phenomena, from nonlinear optics to fluid dynamics. In ultracold quantum gases, solitons offer a unique window into the interplay between interactions and coherence, enabling controlled studies of non-equilibrium dynamics, integrability, and quantum transport. By bridging abstract mathematical structures with cutting-edge experiments, solitons provide a unifying language for nonlinear science and a powerful tool for exploring the emergent behavior of many-body quantum systems.  

Registration is free but compulsory
 
Institut Henri Poincaré, Amphi Darboux. How to get there.
 
 

Speakers

Jean Dalibard (Collège de France, Paris) Ultracold Atomic Gases: A Tunable Laboratory for Soliton Physics

Patrick Gérard (Laboratoire de Mathématiques d'Orsay, Université Paris-Saclay) Solitons and  long time dynamics of some integrable equations

Quentin Glorieux (Laboratoire Kastler Brossel, Sorbonne Université) Paraxial fluids of light: an experimental platform for nonlinear Schrödinger dynamics

Philippe Gravejat (CY Cergy Paris Université) Solitonic vortices for the Gross-Pitaevskii equation in a strip

Antonio Munoz Mateo (Universidad de la Laguna, Tenerife) Solitary waves in confined superfluids

Luc Nguyen (Oxford University) Solitons and solitonic vortices as Mountain Pass solutions

Hélène Perrin (CNRS et Université Sorbonne Paris Nord) Dynamics of one-dimensional Bose gases: a model physical system for the nonlinear Schrödinger equation

Giacomo Roati (CNR-INO and LENS, University of Florence) Vortex dynamics in strongly interacting Fermi superfluids

Frédéric Rousset (Laboratoire de Mathématiques d'Orsay, Université Paris-Saclay) Transverse stability and instability of solitary waves

Round table

Jérome Beugnon (Collège de France) Multi-solitons in two-component ultracold gases

Alberto Bramati (LKB, Sorbonne Université) Quantum fluids of light: superfluidity, dark solitons and more

Nicolas Burq (LMO, Université Paris-Saclay)

Frédéric Chevy (Laboratoire de physique, ENS)

Frederic Valet (LMO, Université Paris-Saclay)

Organizers

Amandine Aftalion and Frédéric Chevy

With the support of France 2030 PIA funding: ANR-21-EXES-0003
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