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Seminars

Contact :
Matthieu Labousse
matthieu.labousse (arobase) espci.psl.eu
Tel : +33 (0) 1 40 79 45 97

Joshua McGraw
joshua.mcgraw (arobase) espci.fr
Tel : +33 (0) 1 40 79 59 62

Map

Gulliver seminars take place on Mondays at 11:30 AM in the F304 room, and typically last one hour including questions. The seminars are in English, and the scientific topics are mainly those studied in the laboratory.


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Séminaires  (520)

  • Thierry Ondarçuhu (CEMES, Toulouse)
    Lundi 1er février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    AFM Study of Liquid Nanomenisci and Wetting of Partially Supported Graphene Monolayers
    The recent development of nanofluidics raises many questions about hydrodynamics and wetting at nanometer scale. I will present two experiments developed in CEMES to address these issues. I will show that that advanced FM-AFM techniques are promising tools for the investigation of mechanical properties of (...)
  • Thierry Ondarçuhu (CEMES, Toulouse)
    Lundi 1er février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    AFM Study of Liquid Nanomenisci and Wetting of Partially Supported Graphene Monolayers
    The recent development of nanofluidics raises many questions about hydrodynamics and wetting at nanometer scale. I will present two experiments developed in CEMES to address these issues. I will show that that advanced FM-AFM techniques are promising tools for the investigation of mechanical properties of (...)
  • Ludovic Berthier (Laboratoire Charles Coulomb, Université de Montpellier)
    Lundi 8 février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Collective Motion in Dense Active Materials
    We discuss how the nonequilibrium driving forces introduced by the natural biological activity or by physical self-propulsion mechanisms generically affect the structure, dynamics and phase behavior of dense active media. We use theory and computer simulations to analyse simple models of such active materials. We (...)
  • Ludovic Berthier (Laboratoire Charles Coulomb, Université de Montpellier)
    Lundi 8 février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Collective Motion in Dense Active Materials
    We discuss how the nonequilibrium driving forces introduced by the natural biological activity or by physical self-propulsion mechanisms generically affect the structure, dynamics and phase behavior of dense active media. We use theory and computer simulations to analyse simple models of such active materials. We (...)
  • Adrien Benusiglio (LPS, ENS)
    Lundi 15 février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Dancing Droplets (Marangoni Self-Contracted Self-Lubricated Volatile Droplets)
    When deposited on a clean glass slide, droplets of a mixture of propylene glycol and water of various concentrations enter a chaotic ballet for minutes, hence the name “dancing droplets”. Looking at one isolated droplet is already a surprise, as the mixture that should spread is instead stabilized by a gradient of (...)
  • Adrien Benusiglio (LPS, ENS)
    Lundi 15 février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Dancing Droplets (Marangoni Self-Contracted Self-Lubricated Volatile Droplets)
    When deposited on a clean glass slide, droplets of a mixture of propylene glycol and water of various concentrations enter a chaotic ballet for minutes, hence the name “dancing droplets”. Looking at one isolated droplet is already a surprise, as the mixture that should spread is instead stabilized by a gradient of (...)
  • Günter Reiter (Albert-Ludwig University of Freiburg, Germany)
    Lundi 22 février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Transient Cooperative Processes in Dewetting Polymer Melts
    We have compared the high velocity dewetting behavior, at elevated temperatures, of atactic (aPS) and isotactic polystyrene (iPS) films, with the zero shear bulk viscosity (ηbulk) of aPS being 10 times larger than that of iPS. As expected, for aPS the apparent viscosity of the films (ηf) derived from dewetting was (...)
  • Günter Reiter (Albert-Ludwig University of Freiburg, Germany)
    Lundi 22 février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Transient Cooperative Processes in Dewetting Polymer Melts
    We have compared the high velocity dewetting behavior, at elevated temperatures, of atactic (aPS) and isotactic polystyrene (iPS) films, with the zero shear bulk viscosity (ηbulk) of aPS being 10 times larger than that of iPS. As expected, for aPS the apparent viscosity of the films (ηf) derived from dewetting was (...)
  • Yannick Rondelez (University of Tokyo, Japan)
    Lundi 29 février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    In Vitro Models of Cellular Computing
    Living cells use webs of chemical reactions organized in precise networks to perform informational tasks. This concept is at the very core of systems biology, but also share links with electronic or computer science. The dynamical and information-processing properties of living cells, i.e. their ability to make (...)
  • Yannick Rondelez (University of Tokyo, Japan)
    Lundi 29 février 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    In Vitro Models of Cellular Computing
    Living cells use webs of chemical reactions organized in precise networks to perform informational tasks. This concept is at the very core of systems biology, but also share links with electronic or computer science. The dynamical and information-processing properties of living cells, i.e. their ability to make (...)
  • Jon Otto Fossum (Joliot Chair & NTNU, Norway)
    Lundi 7 mars 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Clay Physics
    In this talk, we will first give a very condensed introduction to the kind of soft and complex matter physics one can encounter in clays, by giving some illustrating highlights from our own and other group's scientific activities in this area. Secondly we will briefly review some known present and some maybe not (...)
  • Jon Otto Fossum (Joliot Chair & NTNU, Norway)
    Lundi 7 mars 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Clay Physics
    In this talk, we will first give a very condensed introduction to the kind of soft and complex matter physics one can encounter in clays, by giving some illustrating highlights from our own and other group's scientific activities in this area. Secondly we will briefly review some known present and some maybe not (...)
  • Emilie Dressaire (NYU, USA)
    Lundi 14 mars 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Fluid Flow on and in Complex Media
    In this talk, I will present experiments devoted to systems in which the couplings between the fluid and the surrounding medium lead to interesting flow dynamics. We will first consider the thin liquid films formed when jets impinge on solid surfaces such as hydraulic jumps and water bells. On a smooth surface, (...)
  • Emilie Dressaire (NYU, USA)
    Lundi 14 mars 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Fluid Flow on and in Complex Media
    In this talk, I will present experiments devoted to systems in which the couplings between the fluid and the surrounding medium lead to interesting flow dynamics. We will first consider the thin liquid films formed when jets impinge on solid surfaces such as hydraulic jumps and water bells. On a smooth surface, (...)
  • Friedrich Simmel (TU Munich, Germany)
    Lundi 21 mars 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Molecular Devices Based on Nucleic Acids
    Over the past years, DNA nanotechnology has developed tremendously, and it is now possible to create nanoscale molecular devices of considerable complexity. After a general introduction to the field, we will here demonstrate a variety of machine-like devices based on DNA such as DNA-based membrane channels, large (...)
  • Friedrich Simmel (TU Munich, Germany)
    Lundi 21 mars 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Molecular Devices Based on Nucleic Acids
    Over the past years, DNA nanotechnology has developed tremendously, and it is now possible to create nanoscale molecular devices of considerable complexity. After a general introduction to the field, we will here demonstrate a variety of machine-like devices based on DNA such as DNA-based membrane channels, large (...)
  • Peter Schall (Joliot Chair & University of Amsterdam, The Netherlands)
    Lundi 4 avril 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Nonequilibrium Transitions Govern the Flow of Glasses
    The understanding of glasses remains one of the grand challenges in condensed matter : glasses have liquid-like structure, but exhibit solid-like properties. These materials inspire us to re-think the notion of flow and rigidity of solids. Recent theory and experiments suggest novel nonequilibrium transitions to (...)
  • Peter Schall (Joliot Chair & University of Amsterdam, The Netherlands)
    Lundi 4 avril 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Nonequilibrium Transitions Govern the Flow of Glasses
    The understanding of glasses remains one of the grand challenges in condensed matter : glasses have liquid-like structure, but exhibit solid-like properties. These materials inspire us to re-think the notion of flow and rigidity of solids. Recent theory and experiments suggest novel nonequilibrium transitions to (...)
  • Joseph Paulsen (Joliot Chair & Syracuse University, USA)
    Lundi 11 avril 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Noise Stabilization of Multiple Memories in Sheared Non-Brownian Suspensions
    A system with multiple transient memories can remember a set of inputs, but will forget most of them, even as they are continually applied. If noise is added, the system can store all memories for much longer. This behavior is a remarkable and counterintuitive example of how information can be stored in disordered (...)
  • Joseph Paulsen (Joliot Chair & Syracuse University, USA)
    Lundi 11 avril 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Noise Stabilization of Multiple Memories in Sheared Non-Brownian Suspensions
    A system with multiple transient memories can remember a set of inputs, but will forget most of them, even as they are continually applied. If noise is added, the system can store all memories for much longer. This behavior is a remarkable and counterintuitive example of how information can be stored in disordered (...)
  • Stéphane Santucci (ENS Lyon)
    Lundi 18 avril 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Intermittent Avalanche Dynamics of Slow Imbibition Fronts
    I will review our experimental study of the dynamics of a viscous wetting fluid interface forced to invade a disordered medium –a model open fracture– at constant flow rate. Distortions of the advancing imbibition front produced by capillary pressure fluctuations (due to the heterogeneities of the medium) are damped (...)
  • Stéphane Santucci (ENS Lyon)
    Lundi 18 avril 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Intermittent Avalanche Dynamics of Slow Imbibition Fronts
    I will review our experimental study of the dynamics of a viscous wetting fluid interface forced to invade a disordered medium –a model open fracture– at constant flow rate. Distortions of the advancing imbibition front produced by capillary pressure fluctuations (due to the heterogeneities of the medium) are damped (...)
  • David Andelman (Tel Aviv University, Israel)
    Lundi 25 avril 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    One Hundred Years of Electrified Interfaces : Past, Present and Future
    The Poisson-Boltzmann theory is a mean-field description of ionic solutions and charge interfaces, and it has been instrumental during the last century to predict charge distributions and interactions between charged macromolecules. While the electrostatic model of charged fluids, on which the Poisson-Boltzmann (...)
  • David Andelman (Tel Aviv University, Israel)
    Lundi 25 avril 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    One Hundred Years of Electrified Interfaces : Past, Present and Future
    The Poisson-Boltzmann theory is a mean-field description of ionic solutions and charge interfaces, and it has been instrumental during the last century to predict charge distributions and interactions between charged macromolecules. While the electrostatic model of charged fluids, on which the Poisson-Boltzmann (...)
  • Giulio Biroli (IPhT, CEA Saclay)
    Lundi 2 mai 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Breakdown of Elasticity in Amorphous Solids
    What characterises a solid is its way to respond to external stresses. Ordered solids, such crystals, display an elastic regime followed by a plastic one, both well understood microscopically in terms of lattice distortion and dislocations. For amorphous solids the situation is instead less clear, and the (...)
  • Giulio Biroli (IPhT, CEA Saclay)
    Lundi 2 mai 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Breakdown of Elasticity in Amorphous Solids
    What characterises a solid is its way to respond to external stresses. Ordered solids, such crystals, display an elastic regime followed by a plastic one, both well understood microscopically in terms of lattice distortion and dislocations. For amorphous solids the situation is instead less clear, and the (...)
  • Cécile Cottin-Bizonne (ILM, Université Lyon I)
    Lundi 9 mai 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    From Dilute to Dense Suspensions of Active Colloids
    Diffusiophoresis is an interfacially driven transport phenomenon, leading to the motion of macro-molecules under solute gradients. It is an efficient but rather unexplored mean to drive and manipulate particles. This energy transduction mechanism can also be used to device self-propelled particles. In this talk I (...)
  • Cécile Cottin-Bizonne (ILM, Université Lyon I)
    Lundi 9 mai 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    From Dilute to Dense Suspensions of Active Colloids
    Diffusiophoresis is an interfacially driven transport phenomenon, leading to the motion of macro-molecules under solute gradients. It is an efficient but rather unexplored mean to drive and manipulate particles. This energy transduction mechanism can also be used to device self-propelled particles. In this talk I (...)
  • David Ruelle (IHES, Bures-sur-Yvette)
    Lundi 23 mai 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Generalized Detailed Balance and Biological Applications
    A detailed balance relation is an identity based on time reversal symmetry of time evolution equations. This identity, which is part of statistical mechanics, relates the probability of an evolution J->K and the reverse evolution K->J. Ambitious applications of detailed balance to biological replication have been (...)
  • David Ruelle (IHES, Bures-sur-Yvette)
    Lundi 23 mai 2016 11:30-12:30 - Bibliothèque PCT - F3.04
    Generalized Detailed Balance and Biological Applications
    A detailed balance relation is an identity based on time reversal symmetry of time evolution equations. This identity, which is part of statistical mechanics, relates the probability of an evolution J->K and the reverse evolution K->J. Ambitious applications of detailed balance to biological replication have been (...)

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General recommendations for the speakers

The audience is often heterogeneous - because of the wide range of scientific topics covered in the lab - so planning a talk for a broader audience would be preferred. The seminar is in English, and speakers are thus invited to prepare their slides in English.

The seminar starts at 11:30 AM. The speaker is asked to arrive in the lab at least 15 minutes in advance to set up their computer. The talks last typically 45 minutes, and are followed by a discussion time.

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