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MPIDS Colloquium

MPIDS Colloquium: Bacterial suspensions as model active matter systems

  • Datum: 24.04.2019
  • Uhrzeit: 14:15 - 15:15
  • Vortragender: Prof. Hugues Chate
  • CEA Saclay, Paris, France
  • Ort: Max-Planck-Institut für Dynamik und Selbstorganisation (MPIDS)
  • Raum: Prandtl Lecture Hall
  • Gastgeber: MPIDS
  • Kontakt: benoit.mahault@ds.mpg.de
This talk will show that bacterial suspensions, beyond their intrinsic, dominating importance in biolo-gy, are also excellent systems to explore and test theoretical results obtained in the physics of active matter. Whether some biology is learnt from such an approach will be left to your appreciation.

I will present recent experimental results on dense bacterial suspensions obtained in the groups of Masaki Sano (University of Tokyo), Yilin Wu (Chinese University of Hong Kong), and Hepeng Zhang (Shanghai Jiaotong University. I will put them in context, situating them within our current knowledge of active matter, stressing differences and similarities. I will describe our theoretical under-standing of the (often) fascinating collective phenomena observed. Particular attention will be paid to the quantitative modeling effort deployed successfully to account for the active nematics observed in the third set of results.
 
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