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DTSTART;TZID=Europe/Paris:20220620T080000
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UID:23296-1655712000-1657904400@www.chimieparistech.psl.eu
SUMMARY:Oraux du CCMP
DESCRIPTION:
URL:https://www.chimieparistech.psl.eu/evenement-agenda/oraux-du-ccmp/
LOCATION:Chimie ParisTech – PSL\, 11\, rue Pierre et Marie Curie\, Paris\, 75005\, France
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DTSTART;TZID=Europe/Paris:20220627T113000
DTEND;TZID=Europe/Paris:20220627T140000
DTSTAMP:20220622T180615Z
CREATED:20220622T180444Z
LAST-MODIFIED:20220622T180615Z
UID:23303-1656329400-1656338400@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:The seminar will be in hybrid format and the connection details are : \n\nhttps://us02web.zoom.us/j/83595816412?pwd=Q1VNbEdPcFMvNm9rSkpXRFRSZmlTUT09\n\nID de réunion : 835 9581 6412\nCode secret : 399084\n \nNext Monday at 11:30\, we will have the pleasure to listen to Thomas Machon (Bristol University) who will talk about the contact geometry in cholesterics and chiral materials . You will find the abstract below.\n \nChirality in materials\, such as liquid crystals\, often entails a high degree of frustration\, leading to a rich array of morphological phenomena. Here I will discuss how methods from contact geometry and topology can be used to give a qualitative understanding of the behaviour of chiral materials. Using experiments on cylindrically confined lyotropic chromonic liquid crystals as a model system\, I will show how contact topology-theoretic methods lead to a topological description of the various metastable minima in the energy landscape\, as well as explaining the existence of novel chirally-protected solitons. I will further show how the same perspective can be used to understand the structural stability of highly-twisted Skyrmions in chiral ferromagnets\, with applications to racetrack memory devices. Finally\, I will present the results of transition path sampling calculations describing generic features of chiral morphological transitions in liquid crystalline systems.\n\n\n\n\n\n\n\n\n\n\n\n \n 
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-91/
LOCATION:A distance / En ligne
CATEGORIES:Séminaire
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