David Limmer, of the University of California Berkeley, will deliver a seminar entitled, "Ionic Transport in Nanoconfined Fluids Far From Equilibrium." Hosted by Glen Hocky.
For more information about David Limmer, click here.
Zoom Link: https://nyu.zoom.us/j/96453822598?pwd=SWFCb2tQOGs5NWluV3FrdHJIam1rUT09
Abstract: In this talk, I will discuss some of our recent efforts to apply a burgeoning understanding of systems driven far from equilibrium to questions in nanofluidics. Specifically, I will show how on small scales where surface to volume ratios are large, molecular details dictate observable behaviors by determining the relevant boundary conditions for fluid flows. Further, large driving forces are omnipresent on small scales requiring novel theories to relate molecular fluctuations to nonlinear response. I will show how stochastic thermodynamics can be used to construct appropriate theories, which we have applied to questions of electric-field dependent ionic conductivities and dissociation rates. Specific generalizations of Green-Kubo theory for transport coefficients and transition state theory for rate constants to far from equilibrium regimes will be discussed and used to explore fluids confined to nanoscale dimensions. Throughout, these results are made possible by novel simulation techniques we have developed to interrogate rare fluctuations around nonequilibrium steady-states that are underpinned by large deviation theory and stochastic control theory.