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SUMMARY:Fluid transport in extreme regimes: from nanofluidics to quantum i
 nterfaces
DTSTART:20260511T130000Z
DTEND:20260511T143000Z
DTSTAMP:20260519T110500Z
UID:indico-event-1827@indico.dfa.unipd.it
DESCRIPTION:Speakers: Baptiste Coquinot (Institute of Science & Technology
  of Austria)\n\nAt the nanoscale\, interfacial cross-effects couple charge
 \, mass\, and heat transport in confined electrolytes. In the first part\,
  we extend this framework by including the electronic degrees of freedom o
 f the confining solid\, thereby coupling nanofluidic and electronic transp
 ort. These interactions arise either directly\, via electrostatic coupling
  that generates an interfacial capacitance between ions and conduction ele
 ctrons\, or indirectly through fluctuation-induced mechanisms associated w
 ith spectral overlap of charge fluctuations in the electrolyte and the sol
 id. This unified picture yields reciprocal electrohydrodynamic effects: fl
 uid flow can drive electronic currents\, while applied currents can induce
  fluid motion. These couplings also allow nanoscale hydroelectric conversi
 on\, where viscous flows generate electrical currents. In addition\, the f
 requency-dependent response of ionic modes enables ion-specific friction\,
  opening routes to spectral selectivity. Under AC driving\, interfacial ca
 pacitance mediates charge exchange between ionic and electronic channels\;
  in conducting nanochannels\, this effectively bypasses ionic resistance a
 nd enhances transport.\nIn the second part\, we extend this framework to q
 uantum fluids by reaching the superfluid regime\, using either helium or u
 ltracold Bose–Einstein condensates. The same fluctuation-induced couplin
 gs then govern a fully quantum solid–liquid interface. In this regime\, 
 they affect not only dissipation but also the ground state. We show that t
 uning the solid’s degrees of freedom provides a handle to control the in
 terfacial quantum state and can drive a transition toward supersolidity—
 an exotic phase combining crystalline order with superfluid transport.\n\n
 https://indico.dfa.unipd.it/event/1827/
LOCATION:1/3-1 - Sala R (Dipartimento di Fisica e Astronomia - Edificio Ma
 rzolo)
URL:https://indico.dfa.unipd.it/event/1827/
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