Quantum Physics, Physical & Theoretical Chemistry, Thermodynamics, Statistical Physics

Phase Transitions of Simple Systems

Name: Phase Transitions of Simple Systems
Author: Smirnov, Boris M. , Berry, Stephen R.
ISBN: 9783642090738

by Smirnov, Boris M., Berry, Stephen R.

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Overview

This monograph develops a unified microscopic basis for phases and phase changes of bulk matter and small systems, based on classical physics. It describes the thermodynamics of ensembles of particles and explains phase transition in gaseous and liquid systems. The origins are derived from simple but physically relevant models of how transitions occur between rigid and fluid states, of how phase equilibria arise, and how they differ for small and large systems.

Synopsis

Thermodynamic concepts of aggregate states and their phase transitions - veloped during the 19th Century and are now the basis of our contem- rary understanding of these phenomena. Thermodynamics gives an universal, macroscopic description of the equilibrium properties of phase transitions - dependent of the detailed nature of the substances. However understanding the nature of phase transitions at the microscopic level requires a di?erent approach, one that takes into account the speci?cs of the interparticle int- actions. In this book, we lay the groundwork that connects the microscopic phenomena underlying phase changes with the macroscopic picture, but in a somewhat restricted way. We deal only with systems in which electronic excitations are not important, only with atomic systems, and only with - mogeneous systems. We also restrict our analysis to systems in which only pairwise interactions need be included, and, in many parts of the treatment, to systems in which one need consider only the interactions between nearest neighbor atoms. In establishing these restrictions, we can be guided by the solid and liquid states of inert gases and the phase transitions between them, althoughthesubsequentanalysisisrelevantandapplicableforaseriesofother physical systems. To study the behavior of a system of many interacting identical par- cles, we work extensively with its potential energy surface (PES), a surface in a many-dimensional space whose independent variables are the monomer coordinates or some transformation thereof. A central property of any m- tidimensional PES is its large number of local minima.

About the Author, Smirnov, Boris M. , Berry, Stephen R.

R. Stephen Berry is James Franck Distinguished Service Professor Emeritus in the Chemistry Department at The University of Chicago. He has studied phase changes and phase equilibria for twenty years. He is a MacArthur Fellow and a Member of the National Academy of Sciences of the U.S.A., and has been author or coauthor of five books prior to this. He and his coauthor of this book have known each other for over 40 years, from the time both were working on atomic collision processes. They have been collaborating for about 10 years, in their studies of clusters and of phase transitions.

Boris M. Smirnov is a distinguished physicist who worked for many years at the Institute for Ball Lightning, prior to his joining the Institute for High Temperatures in Moscow.