Journée scientifique du CPHT

vendredi 22 nov. 2024, 09:30 → 21:30 Europe/Paris

Domaine Saint Paul

Venez participer à la journée scientifique du CPHT

Quand : le vendredi 22 novembre 2024

Où : Domaine de Saint-Paul à Saint-Rémy-lès-Chevreuse.

Cette journée sera l'occasion d'accueillir les nouveaux arrivants et de présenter une sélection de thématiques étudiées au CPHT.

Doctorants, Post-doctorant, vous êtes invités à présenter vos travaux sous forme de posters (format A0). Vous pouvez envoyer les informations suivantes (1/  Prénom, Nom Auteurs et co auteurs, 2/ Titre du poster) à Mr Couairon et Mr Fofana.

Cette journée sera agrémentée d'un moment convivial lors de la pause déjeuner , et se clôturera par un apéritif suivi d'un dîner.

N'oubliez pas d'indiquer votre participation au repas et au covoiturage : Participation au repas et Covoiturage

Le délai de rigueur pour la réponse est le 14 octobre 2024.

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Come and take part in the CPHT Science Day

When : Friday, November 22, 2024

Where : Domaine de Saint-Paul, Saint-Rémy-lès-Chevreuse.

This day will be an opportunity to welcome new arrivals and present a selection of the themes studied at the CPHT.

Doctoral students and post-docs are invited to present their work in the form of posters (A0 format). You can send the following information (1/ First name, Last name, Authors and co-authors, 2/ Poster title) to Mr Couairon and Mr Fofana.

The day will include a convivial lunch break, followed by an aperitif and dinner.

Don't forget to indicate your participation in the meal and carpooling : Participation in the meal and carpooling

The deadline for replies is October 14, 2024.

09:30 Accueil/Café

1 Mot du Directeur

Orateur: Jean-René Chazottes

2 Constraining the Orbital Angular Momentum content of the proton

Orateur: Renaud Boussarie

3 Hybrid fluid/kinetic simulations of Alfvén Eigenmodes and the need for kinetic magnetostatic equilibria

Orateur: Timothee Nicolas

4 Majorana bound states in topological superconductors coupled to photons

Embedding quantum materials in photonic cavities provides a promising avenue to probe and control properties of these materials. I will discuss a topological superconductor that hosts Majorana bound states coupled to cavity photons. I will demonstrate how coupling to cavity photons could be used to probe signatures of the Majorana bound states in long electronic chains. Moreover, I will show that cavity embedding could be used to realise so-called “poor man’s Majorana bound states” in short electronic chains.

Orateur: Olesia Dmytruk

5 Linear dynamical stability of hydrodynamics and the laws of thermodynamics

The low energy dynamics of interacting systems are described at late times and long distances by hydrodynamics. I will show that hydrodynamic theories are dynamically stable under linear perturbations provided the system is locally thermodynamically stable and the second law of thermodynamics is obeyed.

Orateur: Blaise Goutéraux

6 Ultrashort laser pulse filamentation and applications

Ultrashort laser pulse filamentation is an intense light propagation phenomenon occurring in air, gases, and glasses. It leads to laser-matter interactions over extended distances which enable the remote generation of plasma channels and secondary radiation, such as super-continuum spectra and THz radiation. Numerous applications have been proposed based on the potential of filamentation to generate remote sources of electrons and secondary radiation. In this presentation, I will discuss the key mechanisms that sustain light filaments over long distances. Then, I will present several applications that have been investigated experimentally and through simulations, including laser-guided discharges, femtosecond laser micro-machining of glasses, filament-based detection of atmospheric pollutants, and the generation of underwater acoustic signals by femtosecond lasers.

Orateur: Arnaud Couairon

7 Posters

13:00 Pause Déjeuner

8 Confinement and the infrared structure of Landau gauge-fixed Yang-Mills theories

Orateur: Urko Reinosa

9 Poincaré et ses limites

The Poincaré group is at the heart of Einstein's description of spacetime. Its non-relativistic limit, the Galilean group, is adapted to physics at velocities that are small compared with the speed of light. There is another limit, called the Carrollian limit, obtained formally as a zero-speed-of-light limit. Despite its exotic nature, this limit has found a vast field of applications in the study of the asymptotic symmetries of certain types of spacetimes, in the description of the horizons of black holes, and in the formulation of the ultra-relativistic limit of fluids.

Orateur: Marios Petrolopoulos

10 Balt Van Rees

Orateur: Balt Van Rees

11 Marc-Olivier Renou

Orateur: Marc-Olivier Renou

12 Zhenya Stepanov

Orateur: Zhenya Stepanov

13 Filippo Vicentini

Orateur: Filippo Vicentini

14 Freezing phase transitions in lattice models and toy-models of quasicrystals

Surprisingly, the understanding of simple models within the framework of classical lattice statistical mechanics, which exhibit a phase transition between a disordered phase and an ordered (crystalline or quasi-crystalline) phase, has only progressed recently, notably through the use of ideas from dynamical systems. I will attempt to put things into perspective and discuss some very recent results.

Orateur: Jean-René Chazottes

15 Discussion ouverte sur la vie scientifique du CPHT

16 Posters

18:30 Apéritif puis Dîner