ESPCI web site
PMMH’s weekly seminar is held every Friday at 11 am (map)
Stéphane Perrard
Etienne Reyssat
Virgile Thiévenaz
PMMH
BARRE CASSAN
BAT A 1ER ETAGE CASE 18
7 QUAI SAINT BERNARD
75005 PARIS
France
Tel : (33) 1 40 79 45 22
Séminaire PMMH - Thomas Salez (LOMA, Bordeaux)
Brownian motion in confinement
Brownian motion near interfaces is a canonical situation, encountered from fundamental biophysics to nanoscale engineering. Using a combination of experimental, theoretical and numerical methods, we study the thermally-induced random tridimensional trajectories of individual microparticles, within salty aqueous solutions, in the vicinity of rigid walls, and in the presence of surface charges. We construct the time-dependent position and displacement probability density functions, and study the non-Gaussian character of the latter which is a direct signature of the hindered mobility near the wall. Furthermore, we implement a robust multifitting method, allowing for the thermal-noise-limited inference of diffusion coefficients spatially resolved at the nanoscale, equilibrium potentials, and forces at the femtonewton resolution. Finally, we discuss more complex situations, such as the ones involving soft boundaries, external flows or active microswimmers.
- Seminar archive
- Recent seminars
- Seminars
Recent seminars (7)
-
Séminaire PMMH – Marie Poulain-Zarcos (LFMA, Lyon)
Vendredi 17 octobre de 11h00 à 12h00 - Salle réunion PMMH 1
-
Séminaire PMMH – Florence Bertails-Descoubes (INRIA, Grenoble) & Sébastien Neukirch (∂Alembert)
Vendredi 10 octobre de 11h00 à 12h00 - Salle réunion PMMH 1
-
Séminaire PMMH – Antoine Sanner (ETH Zürich)
Vendredi 3 octobre de 11h00 à 12h00 - Salle réunion PMMH 1
-
Séminaire PMMH – Antoine Deblais (U. Amsterdam)
Vendredi 26 septembre de 11h00 à 12h00 - Salle réunion PMMH 1
-
Séminaire PMMH - Anaïs Gauthier, IPR Rennes, CNRS
Vendredi 19 septembre de 11h00 à 12h00 - Salle réunion PMMH 1
Capillary choreographies at low-Friction interfaces
From Leidenfrost baths to soap films The motion of millimetre-sized objects trapped at the liquid-air interfaces is a familiar phenomenon, seen in the clumping of cereals in a bowl or of bubbles at the surface of a sparkling drink. The deformation of the interface typically generates attractive forces between the (…) -
Séminaire PMMH – Morgan Chabanon
Du 2025 à 11h00 au 0001 à 00h00 - Salle réunion PMMH 1
-
Séminaire PMMH – Irène Nagle (TU Delft)
Vendredi 5 septembre de 11h00 à 12h00 - Salle réunion PMMH 1
The audience is composed of people with rather heterogeneous backgrounds including specialists in solids, fluids, granular flows, statistical physics... so the idea is to keep your talk understandable by people not necessarily working in your field... The seminar time slot runs from 11am to noon so the best is to make the talk last around 45 minutes to leave some time for discussion.
- Séminaires ESPCI-ENS de biophysique
- Séminaires du Département de Physique de l’ENS
- Séminaires du Laboratoire d’Hydrodynamique de l’X
- Séminaire de Mécanique d’Orsay (page web FAST)
- Séminaire de Mécanique d’Orsay (page web LIMSI)
- Séminaire de Mécanique des Fluides de l’Institut Jean le Rond d’Alembert
- Séminaires du laboratoire MSC, Paris VII
- Séminaires Gulliver
Link to cofee seminar (internal, every Thursday)
