Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

 
 
Session Overview
Session
O6-C: Session Orale PAMO/COLOQ #2
Time:
Thursday, 08/July/2021:
8:30am - 10:30am

Location: Salle Morey-St-Denis

Interactions Atomiques et Moléculaires


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Presentations
8:30am - 9:15am

MOLECULAR CHIRALITY ON A SHORT TIME-SCALE

V. BLANCHET, S. BEAUVARLET, D. RAJAK, A. COMBY, S. PETIT, D. DESCAMPS, B. FABRE, B. PONS, Y. MAIRESSE

CNRS - université de Bordeaux, France

Life is a chiral puzzle based on the stereochemistry of chiral molecules and chiral receptors. Tackling this chiral recognition at the atomic scale by taking into account the electronic cloud is one of the Grails of chemical physics. In this talk, different time-resolved Photoelectron dichroism will be presented.



9:15am - 9:40am

IMAGING MOLECULAR ROTATION DURING ULTRAFAST DISSOCIATION

O. TRAVNIKOVA

LCPMR – CNRS, Sorbonne Université, France

Bromochloromethane was excited using X-rays of ~70 eV at the Br 3d edge. Ion momenta correlation analysis allowed capturing ultrafast photo-induced dissociation mechanism, which resembles a medieval catapult. A strong tension in the C-Br bond is created, which causes a light CH2-moiety to be slung from a heavy Br-atom in just a few femtoseconds.



9:40am - 10:05am

CHIRAL COUPLING IN STOCHASTIC THERMODYNAMICS

C. GENET

CNRS, France

Recently, optomechanical manifestations of chiral light-matter interactions have been explored in the form of new optical forces that stem from the coupling between a chiral object and a chiral electromagnetic field. Here, we study their thermodynamic signatures and address the fundamental question of chirality in stochastic thermodynamics.



10:05am - 10:30am

SUPPRESSION OF DESTRUCTIVE ULTRACOLD-MOLECULE COLLISIONS BY OPTICAL SHIELDING

M. LEPERS1, T. XIE2, R. VEXIAU2, A. ORBAN3, O. DULIEU2, N. BOULOUFA-MAAFA2

1CNRS-Laboratoire ICB, France; 2Universit´e Paris-Saclay, CNRS, Laboratoire Aim´e Cotton, 91405 Orsay, France; 3Institute for Nuclear Research(ATOMKI), H-4001 Debrecen, Pf. 51, Hungary

By applying a blue-detuned laser from a narrow optical transition, we theoretically demonstrate the engineering of repulsive intermolecular interactions, leading to a dramatic decrease in reactive-collision rates, without the cost of spontaneous emission. This allows for a significant increase in the lifetime of ultracold molecular samples.



 
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