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  • Rearrangement of two dimensional aggregates of droplets under compression

    We study signatures of the energy landscape’s evolution through the crystal-to-glass transition by compressing two dimensional (2D) finite aggregates of oil droplets. Droplets of two distinct sizes are used to compose small aggregates in an (...)


  • Lift at the nanometric scale!

    Researchers from the CNRS, the University of Bordeaux and ESPCI Paris measured and modeled for the first time the emergent lift force that acts on a micrometric particle moving in a viscous fluid near a soft wall. This force could have great (...)


  • DNA nanotechnology to detect cancer biomarkers

    How to detect diseases at the earliest stages of development? This is the problematic raised by most scientists and physicians, focusing on new biomarkers, such a microRNAs. Indeed, a growing number of publications link microRNA levels inside (...)


  • Uncovering polymer’s unique spindle structure

    A new study from Daeseok Kim and Teresa Lopez-Leon of Gulliver lab, in collaboration with Helen Ansell, Randall Kamien, and Eleni Katifori of the University of Pennsylvania, describes how polymer spheres can transform into twisted spindles (...)


  • Collective Damage Growth Controls Fault Orientation in Quasibrittle Compressive Failure

    Véronique Dansereau, Vincent Démery, Estelle Berthier, Jérôme Weiss, and Laurent Ponson The Mohr-Coulomb criterion describes well the level of compression that an heterogeneous material such as rock or ice can bear before failing. It can be (...)


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    Experimental Evidence of the Gardner Phase in a Granular Glass

    A. Seguin1,2 and O. Dauchot3 1Laboratoire FAST, Université Paris-Sud, CNRS, Université Paris-Saclay, F-91405, Orsay, France 2SPEC, CEA, CNRS, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France 3EC2M, UMR Gulliver 7083 CNRS, ESPCI (...)


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    Active versus Passive Hard Disks against a Membrane: Mechanical Pressure and Instability

    G. Junot,1 G. Briand,1 R. Ledesma-Alonso,1,2 and O. Dauchot1 1UMR Gulliver 7083 CNRS, ESPCI ParisTech, PSL Research University, 10 rue Vauquelin, 75005 Paris, France 2CONACYT—Universidad de Quintana Roo, Boulevard Bahía s/n, Chetumal, 77019 (...)


  • Glass Transition at Interfaces

    Thomas Salez 1,2,3, Joshua D. McGraw 4,5, Kari Dalnoki-Veress 1,5, Elie Raphaël 1, James A. Forrest 1,2,6 1 Laboratoire de Physico-Chimie The´orique, UMR CNRS Gulliver 7083, ESPCI Paris, PSL Research University, 75005 Paris, France. 2 Perimeter (...)


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