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Effective potential in glass forming liquids

2004/02/23 by Antonio de Candia
Chemistry · Materials Science · Physics and Astronomy · #Advanced Physical and Chemical Molecular Interactions #Material Dynamics and Properties #Theoretical and Computational Physics #cond-mat.dis-nn #cond-mat.stat-mech

paper · pdf · doi:10.1088/1742-5468/2005/02/l02001

published as J. Stat. Mech. (2005) L02001 · 4 pages, 3 eps figures

arxiv created 2004/02/23 · openalex publication_date 2005/02/02 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30

Abstract

The effective potential formalism is applied to glass forming liquids, choosing a coupling potential such that the 'order parameter', conjugated to the coupling strength, is the mean square displacement of the particles from their position in the quenched reference configuration. The potential is linear in some interval of its argument, signalling the coexistence of two phases in the system, one with low and one with high mean square displacement. Within this formalism, one can also compute the free energy of metastable states and their complexity.

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