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DTSTART;TZID=Europe/Paris:20260518T140000
DTEND;TZID=Europe/Paris:20260522T133000
DTSTAMP:20260618T145606
CREATED:20260227T162943Z
LAST-MODIFIED:20260227T163750Z
UID:10000091-1779112800-1779456600@sfp-alpes.fr
SUMMARY:École thématique CNRS : Analyses protéomiques quantitatives
DESCRIPTION:Cette école propose un état de l’art des approches de protéomique quantitative\, de la préparation des échantillons à l’analyse statistique et bioinformatique des données de spectrométrie de masse.\n🔬 Thèmes abordés : quantification relative\, quantification d’échantillons complexes et des modifications post-traductionnelles\, analyses statistiques\, limites méthodologiques et principes FAIR. \nLe ➕ : Ateliers pratiques sur les différents outils pour l’identification et la quantification\, les statistiques et la bioanalyse\n👥 Pour qui ?  chercheurs\, ingénieurs\, biologistes\, bioinformaticiens\, doctorants et post-doctorants académiques ou privés \n📝 Pré-inscriptions et infos 👉  https://et2026.sciencesconf.org/  \n📩 Contact : et2026@sciencesconf.org
URL:https://sfp-alpes.fr/event/ecole-thematique-cnrs-analyses-proteomiques-quantitatives/
LOCATION:Domaine du Lazaret\, La Corniche\, 223 Rue Pasteur Benoît\, Sète\, 34200\, France
CATEGORIES:Ecole,Evènements
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DTSTART;TZID=Europe/Paris:20260522T110000
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CREATED:20260521T143647Z
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UID:10000156-1779447600-1779451200@sfp-alpes.fr
SUMMARY:Vladimir ZAKHAROV (Leiden University)
DESCRIPTION:Luttinger liquid and mass generation on a lattice\nRésumé : \nThe helical edge of a quantum spin Hall insulator hosts a one-dimensional metallic state with spin-momentum locking\, realizing a helical Luttinger liquid (HLL). While the gapless phase is well understood analytically through bosonization in its simplest form\, more complex questions that demand numerical treatment\, have remained largely inaccessible to address for a long time. The core obstacle is the fermion-doubling problem: any local and symmetry-preserving discretization of the Hamiltonian on a strictly one-dimensional lattice either introduces spurious low-energy modes or lifts the Dirac point\, breaking the topological protection of the cone.\nIn this talk I describe how this obstruction can be circumvented using a tangent fermion discretization. This preserves time-reversal symmetry and spin-momentum locking at the lattice level\, without invoking a two-dimensional bulk. I present the application of this method first to the gapless HLL\, where numerical results are in quantitative agreement with bosonization predictions\, establishing the framework as a reliable numerical tool. And then I turn to interaction-induced mass generation\, including spontaneous time-reversal symmetry breaking in HLL and symmetric mass generation in 3-4-5-0 model\, where full analytical treatment is out of reach. \n_ \nContact : serge.florens@neel.cnrs.fr
URL:https://sfp-alpes.fr/event/vladimir-zakharov-leiden-university/
LOCATION:LPMMC – salle Roger Maynard (G421)\, CNRS - LPMMC 25 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
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