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DTSTART;TZID=Europe/Paris:20260609T140000
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DTSTAMP:20260609T230505
CREATED:20260609T063042Z
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UID:11969-1781013600-1781019000@fermi.univ-tlse3.fr
SUMMARY:Exploring hydrogen and hydrogen-rich compounds by quantum Monte Carlo. - (Michele Casula / LPT / Seminar). -9/06/2026\, 14H
DESCRIPTION:Séminaire LPT \nMichele Casula (IMPMC) \nSeminar LPT\, 9/06/2026\, 14H\, 3R4\, salle de conférence \nSummary :\nQuantum Monte Carlo (QMC) offers a unique framework to compute accurate potential energy surfaces upon which nuclear dynamics takes place. Both electronic and nuclear degrees of freedom are fundamental ingredients to determine phase stability and structural properties\, particularly in compounds bearing light elements such as hydrogen\, strongly affected by nuclear quantum effects. In this talk\, I will present some progress in combining quantum Monte Carlo with nuclear dynamics\, via classical and path integral molecular dynamics\, either by direct calculation of nuclear forces or by the derivation of machine learning potentials trained on QMC data [1]. I will discuss some applications to hydrogen [2]\, hydrides [3] and water clusters [4]\, where the quantum nature of both electrons and nuclei leads to original physics. \n\n[1] Physical Review B 110\, L041107 (2024)\, Journal of Chemical Theory and Computation 21\, 9335 (2025)\n[2] Nature Physics 19\, 845-850 (2023)\n[3] npj Computational Materials 10\, 56 (2024)\, arXiv:2602.00833\n[4] Nature Communications 14\, 6930 (2023)
URL:https://fermi.univ-tlse3.fr/event/tba-michele-casula-lpt-seminar-9-06-2026-14h/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,LPT,Seminars
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