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X-WR-CALDESC:Évènements pour Chimie ParisTech - PSL
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DTSTART;TZID=Europe/Paris:20210909T080000
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DTSTAMP:20210902T083011Z
CREATED:20210902T083011Z
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UID:22090-1631174400-1635181200@www.chimieparistech.psl.eu
SUMMARY:Rentrée 2021 : PSL Antropocène
DESCRIPTION:  \nA la rentrée universitaire 2021\, l’Université PSL propose\, en s’appuyant sur l’engagement de ses étudiantes et étudiants\, de mettre en avant la thématique de l’anthropocène dans le cadre d’un cycle de conférences et de divers événements ouverts à toutes et tous. \nRetrouvez tous les détails ici
URL:https://www.chimieparistech.psl.eu/evenement-agenda/rentree-2021-psl-antropocene/
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DTSTART;TZID=Europe/Paris:20211021T140000
DTEND;TZID=Europe/Paris:20211021T150000
DTSTAMP:20211015T151050Z
CREATED:20211015T150921Z
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UID:22409-1634824800-1634828400@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Theory of superconductivity due to Ngai’s mechanism in lightly doped SrTiO3 \n  \nBy M. V. Feigel’man\nL.D. Landau Institute for Theoretical Physics\, Chernogolovka\, Russia\nSkolkov Institute of Physics and Technology\, Moscow\,Russia \n  \nWe develop a theory of superconducting pairing in low-density Strontium titanate due to quadratic coupling of electron density to soft transverse optical phonons. It leads to static attractive potential between electrons which decay length scales inversely with soft optical gap. For low electron densities attraction between electrons is local and transition temperature Tc was found. The Tc(n) dependence in agreement with experimental data for low doping was calculated. Next\, we show that suppression of Tc by hydrostatic pressure and strong increase of Tc due to isotopic substitution are explained within our theory. \n  \nZoom link: https://espci.zoom.us/j/84838212479?pwd=ZE05ekpuNHRYYjJMVFAyUHg1TnQ1QT09\nID: 848 3821 2479\nPassword: LevLandau\nContact/to subscribe or unsubscribe: seminaires-lpem@espci.fr
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-54/
LOCATION:Visioconférence
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
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