Colloquium - 2018/2019

Colloquium, année 2018 - 2019

Voir les colloquia passés : chaîne YouTube du département de physique

Extracting Order from Disorder : Periodic Orbits Buried in Fluid Turbulence

Rich Kerswell DAMTP, University of Cambridge Tuesday, June 25, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) Ideas from dynamical systems have recently provided fresh insight into transitional and weakly turbulent flows. Viewing such flows as (...) | ↦ Lire la suite

The chaotic motion of the solar system beyond its horizon of predictability

Jacques Laskar CNRS, Observatoire de Paris Tuesday, June 11, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) Since the numerical simulations of the past decades, we now know that the motion of the solar system is chaotic with an exponential (...) | ↦ Lire la suite

Physics approaches of biological membranes

Patricia Bassereau Institut curie Tuesday, May 28, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) Cells’ plasma membrane is a highly deformable material : it is strongly curved during cell migration upon the formation of cellular protrusions, (...) | ↦ Lire la suite

When random walkers help solving intriguing integrals

Emmanuel Trizac LPTMS / CNRS - Université Paris-Sud / Paris-Saclay Tuesday, May 14, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) We will discuss the properties of a family of integrals involving the cardinal sine fuction, first studied by (...) | ↦ Lire la suite

Fast irreversible Markov chains and their applications in statistical physics

Werner Krauth Laboratoire de Physique, Ecole normale supérieure, Paris, France. Tuesday, April 16, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) The Monte Carlo method is an outstanding computational tool in science. Since its origins, it has (...) | ↦ Lire la suite

Quantum Internet : Vision or Fiction ?

Gerhard Rempe Max Planck Institute of Quantum Optics, Garching. Tuesday, April 2, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) Quantum mechanics is useful : It allows us to understand nature and develop technologies that are not possible (...) | ↦ Lire la suite

Quantum Inflation in the Planck Era and Beyond

J. Richard Bond Canadian Institute for Theoretical Astrophysics, University of Toronto Tuesday, March 19, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) Over the 25 years from the Planck Cosmic Microwave Background (CMB) satellite go-ahead to (...) | ↦ Lire la suite

From “cognitive-type” neural microcircuits to the global brain

Xiao Jing Wang Swartz Center for Theoretical Neuroscience, New York University Tuesday, March 12, 2019 5:15 p.m. — room conf IV (24 rue Lhomond) I will introduce the concept of “cognitive-type” neural circuits, in contrast to sensory or (...) | ↦ Lire la suite

Nano-optics : an enabling tool for basic research and technology

Romain Quidant ICFO - Barcelona, Spain Tuesday, February 5, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) Twenty years of extensive research in the field of nanooptics have enabled us to considerably advance light control on the nanometer (...) | ↦ Lire la suite

Quand les ondes dessinent des motifs géométriques !

Laure Saint Raymond Ecole Normale Supérieure de Lyon - UMPA Tuesday, January 8, 2019 5:15 p.m. — room Jaures (29 rue d’Ulm) If you are told "waves", you probably think light or sound. The internal waves that will be discussed here (which (...) | ↦ Lire la suite

Prix des trois physiciens : Edith Falgarone - A tale of turbulence and gravity

From molecules to galaxies in the early universe

Edith Falgarone Ecole Normale Supérieure (LRA) - Observatoire de Paris Tuesday, December 11, 2018 5:15 p.m. — room Jaures (29 rue d’Ulm) Turbulence is ubiquitous in interstellar and intergalactic matter. It has so far escaped theory because (...) | ↦ Lire la suite

Bending and Breaking Helium Crystals

John Beamish University of Alberta, Canada Tuesday, November 27, 2018 5:15 p.m. — room conf IV (24 rue Lhomond) Quantum effects dominate the behaviour of helium, to the extent that it remains liquid down to absolute zero and 4He bose (...) | ↦ Lire la suite

From flow to fracture

Elisabeth Bouchaud PSL Research University, ESPCI-Paris, UMR Gulliver - CEA-Saclay Tuesday, November 13, 2018 5:15 p.m. — room Jean Jaures (29 rue Ulm) Under tensile stress, solids break, and liquids flow. How does flow evolve into fracture (...) | ↦ Lire la suite

An introduction to quantum cryptography, computation and error correction.

Course of the Physics Department

Pierre Rouchon Mines ParisTech, PSL Research University - Quantic Research Team, Inria Tuesday, October 23, 2018 4:00 p.m. — room conf IV (24 rue Lhomond) These two introductory lectures present some key features motivating the construction (...) | ↦ Lire la suite

Graphene in the (Terahertz) Microwave

Mischa Bonn Max Planck Institute for Polymer Research, Mainz Tuesday, October 2nd, 2018 5:15 p.m. — room Jean Jaures (29 rue d’Ulm) Tea and cookies will be served at 4:45 p.m. in the Hall (24 rue Lhomond) Graphene is an attractive candidate (...) | ↦ Lire la suite

Graphene in the (Terahertz) Microwave

Mischa Bonn Max Planck Institute for Polymer Research, Mainz Tuesday, October 2nd, 2018 5:15 p.m. — room Jean Jaures (29 rue d’Ulm) Tea and cookies will be served at 4:45 p.m. in the Hall (24 rue Lhomond) Graphene is an attractive candidate (...) | ↦ Lire la suite

Dynamical fluctuations far from equilibrium

Kirone Mallick Institut de Physique Théorique - CEA Saclay Tuesday, September 18, 2018 5:15 p.m. — room Jean Jaures (29 rue d’Ulm) Tea and cookies will be served at 4:45 p.m. in the Hall (24 rue Lhomond) The well-established Principles of (...) | ↦ Lire la suite

Dynamical fluctuations far from equilibrium

Kirone Mallick Institut de Physique Théorique - CEA Saclay Tuesday, September 18, 2018 5:15 p.m. — room Jean Jaures (29 rue d’Ulm) Tea and cookies will be served at 4:45 p.m. in the Hall (24 rue Lhomond) The well-established Principles of (...) | ↦ Lire la suite

Long-range propagation of ocean swell

William Young (University of California at San Diego) — June 26, 2018 Abstract : The propagation of ocean surface waves is a happy example in which a linear theory (almost) explains ocean observations. I’ll review the history of this problem, (...) | ↦ Lire la suite