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SUMMARY:Fluctuation-Induced Couplings at the Solid-Liquid Interface
DTSTART:20241211T113000
DTEND:20241211T123000
DTSTAMP:20260501T163239Z
UID:642251b25c8f7219881bc9638090b1717e6219048c0fc26d2304f21b
CATEGORIES:Conferences - Seminars
DESCRIPTION:Baptiste Coquinot\, Ph.D.\, Institute of Science and Technolog
 y Austria (ISTA)\, Vienna-Klosterneuburg (AT)\nBIOENGINEERING SEMINAR\n \
 nAbstract:\nThis presentation explores couplings at the solid-liquid inter
 face\, arising from fluctuations in the microscopic degrees of freedom of 
 both the solid and the liquid. We describe in which contexts these couplin
 gs dominate solid-liquid friction\, then impacting hydrodynamics at the na
 noscale\, and how they can be used to engineer the friction coefficient.\n
 We show that the solid modes are impacted by a flow at their surface\, dri
 ving them out of equilibrium. This modifies the friction\, so that the stu
 dy of liquid dynamics now requires describing the dynamics of the solid to
  which it is coupled. In particular\, it becomes possible to engineer the 
 friction by changing the electronic properties of the solid. Moreover\, it
  also becomes possible to transfer a flow throughout a solid and thus to m
 ake flows forbidden by standard hydrodynamics.\nFinally\, we prove that it
  is possible to convert the friction force into an electrical power\, thus
  using these couplings to make a promising hydroelectric generator.\n\nBio
 :\nBaptiste Coquinot obtained a double master degree in fundamental physic
 s (Ecole Normale Supérieure-PSL University\, Paris\, France) and fundamen
 tal mathematics (Sorbonne Université\, Paris\, France) in 2021. As a theo
 retical physicists concerned about having an impact on society\, he joined
  Lydéric Bocquet at Micromégas — a lab of nanofluidics going from theo
 ry to innovation. Baptiste Coquinot completed his PhD in nanofluidics\, fu
 nded by the Foundation CFM for Research\, in 2024. He then obtained a gran
 t from the NOMIS Foundation to join the Institute of Science and Technolog
 y Austria (ISTA) as a postdoctoral fellow. there\, he will work closely wi
 th the research groups of Mikhail Lemeshko (Theoretical Atomic\, Molecular
 \, and Optical Physics)\, but also with external collaborators like Nikit
 a Kavokine (Quantum Plumbing Lab\, EPFL). As a NOMIS Fellow\, he will tur
 n to quantum liquids. He will explore the nonequilibrium properties of sup
 erfluid helium within nanoconfined environments\, combining recent advance
 s in superfluidity and nanofluidic research.\n\n\nZoom link for attending 
 remotely: https://epfl.zoom.us/j/65073435972
LOCATION:SV 2715 https://plan.epfl.ch/?room==SV%202715 https://epfl.zoom.u
 s/j/65073435972
STATUS:CONFIRMED
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