Colloquium 2021-2022

Colloquium, year 2021 - 2022

The colloquium of the physics department is a general seminar directed to a broad audience of theoretical and experimental physicists. It takes place on Tuesday afternoon (5:15 p.m.) and brings together researchers and students of the department. The seminars are generally given in English, their duration is 50 minutes plus questions.

Watch past colloquia : chaîne YouTube du département de physique

How personalised is our immune repertoire?

Aleksandra Walczak, LPENS - CNRS Tuesday, April 19, 2022 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) Immune repertoires provide a unique fingerprint reflecting the immune history of individuals, with potential applications in (...) | ↦ Read more

Propagation and stabilization in time-varying media

Emmanuel Fort, Institut Langevin, ESPCI Paris - PSL Tuesday, March 29, 2022 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) The introduction of the concept of time crystal in 2013 by the Nobel Prize winner, Frank Wilczek, has prompted the (...) | ↦ Read more

Probing the First Galaxies and Cosmic Reionization with the James Webb Space Telescope - Hakim Atek

Hakim Atek, Institut d’Astrophysqiue de Paris Tuesday, March 01, 2022 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) The role of dwarf galaxies in the star formation history of the universe has long been overlooked, primarily because of (...) | ↦ Read more

Ground based gravitational-wave astronomy in the next decades - Matteo Barsuglia

Matteo Barsuglia, Laboratoire Astroparticule et Cosmologie, CNRS Tuesday, February 8, 2022 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) After the first gravitational wave detection in 2015 and the GW170817 multi-messenger observation, (...) | ↦ Read more

The spin glass cornucopia revisited - Marc Mézard

Marc Mézard, LPENS, CNRS Tuesday, January 18, 2022 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) Spin glasses are useless. Yet their study, triggered by pure intellectual interest, has created a formidable new branch of statistical (...) | ↦ Read more

Twenty years of mesoscopic physics at ENS

Bernard Plaçais, LPENS, CNRS Tuesday, January 11, 2022 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) Mesoscopic physics was a mature field when it was introduced at ENS twenty years ago. Originally focussed on dynamical quantum (...) | ↦ Read more

New Properties of Matter in the Strong Coupling Regime

Thomas Ebbesen, USIAS & ISIS, University of Strasbourg & CNRS, France Tuesday, December 07, 2021 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) Light-matter strong coupling can give rise to a multitude of physical effects (...) | ↦ Read more

Scale invariance for quantum fluids: solitons and breathers in a 2D gas

Jean Dalibard, Collège de France, Laboratoire Kastler Brossel Tuesday, November 30, 2021 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) The physics of many-body systems strongly depends on their dimensionality. With the realization of (...) | ↦ Read more

How a physical system can be turned into a self-learning machine

Florian Marquardt, Max Planck Institute for the Science of Light and Friedrich-Alexander-Universität Erlangen-Nürnberg Tuesday, October 5, 2021 5:15 p.m. — room Jaures (29 rue d’Ulm, 75005 Paris) Machine learning using artificial neural networks (...) | ↦ Read more