BEGIN:VCALENDAR VERSION:2.0 PRODID:-//132.216.98.100//NONSGML kigkonsult.se iCalcreator 2.20.4// BEGIN:VEVENT UID:20251106T192439EST-7233wupVsB@132.216.98.100 DTSTAMP:20251107T002439Z DESCRIPTION:Abstract:\n\nSynchronization abounds in nature—why is it so har d to synchronize quantum systems? I will discuss this general question and its relationship to quantum coherence and exciton delocalization. I will then report new experiments that show how a molecular exciton state can la unch two a superposition of two chemical reactions. Specifically\, we stud y femtosecond proton transfer in a symmetric molecule with two identical r eactant sites that are spatially apart. With the reaction launched from a superposition of two local basis states\, we hypothesize that the motions of the electrons and nuclei will ensue in lock-step as a superposition of probability amplitudes until decoherence collapses the system to a product . We see evidence for this\, and conclude that this chemical system is a g ood test-bed to study the transition from quantum to classical.\n\n \n\nBi o:\n\nGreg Scholes is the William S. Tod Professor of Chemistry and Chair of Department at Princeton University. This year he was selected as an ina ugural Ivy+ Provost Leadership Fellow with the goal of helping to advance diversity and inclusion in the American professoriate. Originally from Mel bourne\, Australia\, he later undertook postdoctoral training at Imperial College London and University of California Berkeley. He started his indep endent career at the University of Toronto (2000-2014) where he was the D. J. LeRoy Distinguished Professor. He was appointed Editor-in-Chief of the Journal of Physical Chemistry Letters in 2019. Dr. Scholes was elected a F ellow of the Royal Society (London) in 2019 and a Fellow of the Royal Soci ety of Canada in 2009.\n DTSTART:20220927T170000Z DTEND:20220927T183000Z LOCATION:Room 10\, Maass Chemistry Building\, CA\, QC\, Montreal\, H3A 0B8\ , 801 rue Sherbrooke Ouest SUMMARY:Chemical Society Seminar: Greg Scholes - From synchronization to ch emical reaction superpositions URL:/chemistry/channels/event/chemical-society-seminar -greg-scholes-synchronization-chemical-reaction-superpositions-340118 END:VEVENT END:VCALENDAR