Physics Seminar: Prof. Dick Bedeaux

Centre for Computational Physics

Date: Wednesday 31st of October 2018, 15:00.
Location: INB3305 (Isaac Newton Building).

‘Size and shape effects on thermodynamic properties on nanoscale volumes of water’

by Dick Bedeaux, Porelab, Department of Chemistry, Norwegian University of Science and Technology, Trondheim, Norway.

Abstract:

Small systems are known to deviate from the classical thermodynamic description, among other things due to their large surface area to volume ratio compared to corresponding big systems. As a consequence, extensive thermodynamic properties are no longer proportional to the volume, but are instead higher order functions of size and shape. We investigate such functions for second moments of probability distributions of fluctuating properties in the grand-canonical ensemble, focusing specifically on the volume and surface terms of Hadwiger’s theorem, explained in Klain, Mathematika, 1995, 42, 329–339. We [Strøm et al. PCCP 19 (2017) 9016] resolve the shape dependence of the surface term and show, using Hill’s nanothermodynamics [Hill, J…

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