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Showing 1–4 of 4 results
Advanced filters: Author: Marc Mezard Clear advanced filters

  • Disorder leads to localization of electrons at low temperatures, changing metals to insulators. In a superconductor the electrons are paired up, and scanning tunnelling microscopy shows that the pairs localize together rather than breaking up and forming localized single electrons in the insulating state.

    • Benjamin Sacépé
    • Thomas Dubouchet
    • Lev Ioffe
    Research
    Nature Physics
    Volume: 7, P: 239-244

  • Diffusion methods are widely used for generating data in AI applications. Here, authors show that optimally trained diffusion models exhibit three dynamical regimes: starting from pure noise, they reach a regime where the main data class is sealed, and finally collapse onto one training point.

    • Giulio Biroli
    • Tony Bonnaire
    • Marc Mézard
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Following the 2015 migration wave to Europe, numerous French academic institutions organized themselves to welcome refugee students and researchers. As witnessed in the past, initiatives coming from universities largely preceded national dispositions, which took place in a second phase and worked towards reinforcing them. These initiatives provide some examples demonstrating the commitment of academic communities as a whole to crucial societal issues.

    • Marc Mézard
    Comments & Opinion
    Nature Reviews Materials
    Volume: 6, P: 552-553