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DTSTART;TZID=Europe/Paris:20260310T000000
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SUMMARY:Synergies in High Resolution Spectroscopy workshop (HIRES2026)
DESCRIPTION:The workshop will bring together researchers in the fields of neutron spin-echo\, backscattering\, and time-of-flight (TOF) spectroscopy. It aims to highlight the strengths and synergies of these techniques\, while also showcasing their interplay with other non-neutron-based methods. \nParticipation is not limited to neutron experts\, users of complementary techniques who wish to expand their research toward neutron scattering are also warmly welcome. \nAbstract submission deadline is 30 November 2025. \nFor full details please visit the website of the workshop: https://workshops.ill.fr/e/HIRES2026 \n  \nIf you have any questions don’t hesitate to contact the Organising Committee by e-mailing to hires@ill.fr \n 
URL:https://sfp-alpes.fr/event/synergies-in-high-resolution-spectroscopy-workshop-hires2026/
LOCATION:ILL – Salle de Séminaire (SB-036)\, ILL 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Workshop
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DTSTART;TZID=Europe/Paris:20260310T083000
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DTSTAMP:20260515T105729
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UID:10000055-1773131400-1773403200@sfp-alpes.fr
SUMMARY:Synergies in High Resolution Spectroscopy workshop (HIRES2026)
DESCRIPTION:The workshop will bring together researchers in the fields of neutron spin-echo\, backscattering\, and time-of-flight (TOF) spectroscopy. It aims to highlight the strengths and synergies of these techniques\, while also showcasing their interplay with other non-neutron-based methods. \nParticipation is not limited to neutron experts\, users of complementary techniques who wish to expand their research toward neutron scattering are also warmly welcome. \nFor full details please visit the website of the workshop : https://workshops.ill.fr/e/HIRES2026 \nIf you have any questions don’t hesitate to contact the Organising Committee by e-mailing to hires@ill.fr \n_ \nContact : HIRES2026@ill.fr
URL:https://sfp-alpes.fr/event/synergies-in-high-resolution-spectroscopy-workshop-hires2026-2/
LOCATION:ILL 4\, Grenoble\, 38000\, France
CATEGORIES:Workshop
END:VEVENT
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DTSTART;TZID=Europe/Paris:20260310T140000
DTEND;TZID=Europe/Paris:20260310T150000
DTSTAMP:20260515T105729
CREATED:20260226T163942Z
LAST-MODIFIED:20260226T163953Z
UID:10000074-1773151200-1773154800@sfp-alpes.fr
SUMMARY:François PARMENTIER (Laboratoire de physique de l'école normale supérieure)
DESCRIPTION:Quantized heat flow in the Hofstadter butterfly\nRésumé : \nWhen subjected to a strong magnetic field\, electrons on a two-dimensional lattice acquire a fractal energy spectrum called Hofstadter’s butterfly. In addition to its unique recursive structure\, the Hofstadter butterfly is intimately linked to non-trivial topological orders\, hosting a cascade of ground states characterized by non-zero topological invariants. These states\, called Chern insulators\, are usually understood as replicas of the ground states of the quantum Hall effect\, with electrical and thermal conductances that should be quantized\, reflecting their topological order. The Hofstadter butterfly is now commonly observed in van-der-Waals heterostructures-based moiré superlattices. However\, its thermal properties\, particularly the quantized heat flow expected in the Chern insulators\, have not been investigated\, potentially questioning their similarity with standard quantum Hall states. Here we probe the heat transport properties of the Hofstadter butterfly\, obtained in a graphene / hexagonal boron nitride moiré superlattice. We observe a quantized heat flow\, uniquely set by the topological invariant\, for all investigated states of the Hofstadter butterfly: quantum Hall states\, Chern insulators\, and even symmetry-broken Chern insulators emerging from strong electronic interactions. Our work firmly establishes the universality of the quantization of heat transport and its intimate link with topology. A. Zhang\, et al.\, arXiv:2601.05694 (2026) \nContact : equipe-seminaires-nano@listes.grenoble.cnrs.fr
URL:https://sfp-alpes.fr/event/francois-parmentier-laboratoire-de-physique-de-lecole-normale-superieure/
LOCATION:CNRS – Salle Rémy Lemaire (K223)\, CNRS - Institut Néel 25 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
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