[Soft-matter] Soft Matter & Complex Systems Seminar on 15 Nov 2024

[Maciej Lisicki]

Dear Soft Matter & Complex Systems Colleagues and Friends,

On Friday 15 November 2024 at 9:30 AM at the UW Faculty of Physics (Pasteura 5, Warsaw; room 1.40) we are hosting a seminar during which 

Alina Ciach (IChF PAN)

will give a talk
Anomalous underscreening in concentrated ionic systems

Abstract

Concentrated ionic systems can find practical applications in energy
storage devices, and in living cells the density of ions is large.
Classical theories developed for dilute electrolytes, however, are not
valid when the average distance between the ions becomes comparable with
their diameters. Different experimental techniques, approximate theories
and simulations give contradictory results for the distribution of the
ions and for screening of charged objects, and a commonly accepted
theory is still to be developed.
I will very briefly present the experimental and simulation results.
Next I'll discuss major differences between dilute and concentrated
ionic systems, and introduce the mesoscopic approach for ionic systems
with any density. In the theory, the finite size of the ions and the
variance of the local charge are taken into account.The correlation
functions obtained within the theory will be compared with experiments.
The remaining open questions will be discussed.

We warmly welcome everyone to attend the talk and the Soft Matter Coffee Break after the seminar, held in room 2.63 (2nd floor).

Maria Ekiel-Jeżewska
Maciej Lisicki
Piotr Szymczak
Panagiotis Theodorakis
Marek Trippenbach
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