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DTSTART;TZID=Europe/Paris:20220201T140000
DTEND;TZID=Europe/Paris:20220201T153000
DTSTAMP:20260425T002623
CREATED:20220128T020016Z
LAST-MODIFIED:20220211T082216Z
UID:7726-1643724000-1643729400@fermi.univ-tlse3.fr
SUMMARY:Quantum criticality and exotic states of cluster-forming and long-range systems (Adriano Angelone / LPT / Seminar). - 1/02\, 14 H.
DESCRIPTION:Adriano Angelone (LPTMS) \nThe investigation of strongly correlated systems is associated to many central problems in condensed matter and statistical physics\, and must often be be performed via numerical approaches\, due to the lack of reliable analytical approaches. Insight into these problems can nowadays also be gathered via quantum simulation\, i.e.\, by engineering an experiment governed by a Hamiltonian of choice. This progress has created further interest in these models\, making their theoretical study of even greater importance\, as a beacon for the laboratory towards physically interesting regimes and scenarios. This talk will center on my investigations of strongly correlated systems relevant for experimental realizations with cold atom systems\, which I perform via path integral Monte Carlo simulations : these approaches give unbiased equilibrium and ground-state results\, as well as insight into out-of-equilibrium scenarios via simulated quench protocols. \nAfter an introduction to the necessary topics\, I will first discuss my results for cluster-forming bosonic systems of interest for Rydberg-dressed atom experiments. Here\, the formation of particle clusters leads to a variety of equilibrium and out-of-equilibrium physical scenarios\, including the formation of superglass phases\, where glassy behavior coexists with superfluidity\, as well as phase transitions between different types of supersolid states. Subsequently\, I will discuss my results on long-range quantum spin systems\, whose properties\, especially concerning thermalization and dynamics\, have been the object of various investigations in cold atom experiments. I determined the universal and non-universal critical properties of quantum Ising models with long-range spin-spin interactions\, in regimes (such as the case of finite temperature) where only conjectures of uncertain applicability on these features existed\, obtaining results of direct experimental interest. \n\nVisio
URL:https://fermi.univ-tlse3.fr/event/quantum-criticality-and-exotic-states-of-cluster-forming-and-long-range-systems-adriano-angelone-lpt-seminar-1-02-14-h/
LOCATION:Visio
CATEGORIES:Events,LPT,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20220208T140000
DTEND;TZID=Europe/Paris:20220208T153000
DTSTAMP:20260425T002623
CREATED:20220128T084500Z
LAST-MODIFIED:20220211T082129Z
UID:7912-1644328800-1644334200@fermi.univ-tlse3.fr
SUMMARY:"Compléter le carré" dans les aimants frustrés ( Iqbal / LPT / Seminar). - 8/02\, 14 H.
DESCRIPTION:Yasir Iqbal (IIT Madras)
URL:https://fermi.univ-tlse3.fr/event/tba-iqbal-lpt-seminar-1-02-14-h/
LOCATION:Visio
CATEGORIES:Events,LPT,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20220210T140000
DTEND;TZID=Europe/Paris:20220210T163000
DTSTAMP:20260425T002623
CREATED:20220130T083037Z
LAST-MODIFIED:20220211T082154Z
UID:7576-1644501600-1644510600@fermi.univ-tlse3.fr
SUMMARY:Graph theory meets Born Oppenheimer molecular dynamics and replica-exchange Monte Carlo simulation. - (Ariel Francis Perez Mellor / LCPQ / Seminar). - 10/02/2022
DESCRIPTION:Ariel Francis Perez Mellor (from the University of Geneva and hosted by Aude Simon) \nAbstract: \nAnalysis based on graph theory is applied nowadays to different problems encountered in a wide variety of fields such as biology\, computer science\, physics\, mathematics\, and chemistry\, among others. It allows a compre- hensive understanding of the different interactions and processes that take place in the investigated system. In this seminar\, I will discuss how graph theory can be used to analyze a set of Born-Oppenheimer molecular trajec- tories. The first part of the talk will be dedicated to explaining a developed methodology [1] and the second part will focus on how it is used to under- stand the complex dynamics dissociation in the gas phase of three systems: the protonated cyclo Gly-Gly and the naphthalene and azulene cations. Fi- nally\, I will show how this methodology can be extended to the analysis of a set of replica-exchange Monte-Carlo trajectories. To this end\, the phase change diagram of C28H0−12 and C60H0−20 systems will be discussed. The effect of hydrogenation on carbon clusters will be highlighted. \n\n[1] Ariel F. Perez-Mellor and Riccardo Spezia. Determination of kinetic properties in unimolecular dissociation of complex systems from graph theory based anal- ysis of an ensemble of reactive trajectories. The Journal of Chemical Physics\, 155(12):124103\, 2021.\n\nDownload : abstract_Seminar_AFPM_10fev2022
URL:https://fermi.univ-tlse3.fr/event/graph-theory-meets-born-oppenheimer-molecular-dynamics-and-replica-exchange-monte-carlo-simulation-ariel-francis-perez-mellor-lcpq-seminar-10-02-2022/
LOCATION:salle de séminaire 3ème étage\, Bâtiment 3r1 Université Toulouse III\, Toulouse\, 31400\, France
CATEGORIES:Events,LCPQ,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20220218T113000
DTEND;TZID=Europe/Paris:20220218T130000
DTSTAMP:20260425T002623
CREATED:20220216T080016Z
LAST-MODIFIED:20220217T080704Z
UID:7955-1645183800-1645189200@fermi.univ-tlse3.fr
SUMMARY:Modifier la fonction d’onde supraconductrice à l’aide de l’interaction d’échange  (Marco APRILI/ SFP / Seminar) – 18/02\, 11H30
DESCRIPTION:Marco APRILI (Laboratoire de Physique des Solides\, CNRS\, Université Paris-Saclay) \nVoir le résumé de la conférence sur le site de la section locale de la SFP ici.
URL:https://fermi.univ-tlse3.fr/event/modifier-la-fonction-donde-supraconductrice-a-laide-de-linteraction-dechange-marco-aprili-sfp-seminar-18-02-11h30/
LOCATION:Amphi CONCORDE\,  Bâtiment U4\, Amphithéâtre Concorde - Université Paul Sabatier\, Toulouse\, 31400\, France
CATEGORIES:Events,Seminars,SFP / SFC
ATTACH;FMTTYPE=image/png:https://fermi.univ-tlse3.fr/wp-content/uploads/2022/02/fonction_ondes_APRILI-e1644567617875.png
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