Metadynamics studies of crystal nucleation

Author:

Giberti Federico,Salvalaglio Matteo,Parrinello Michele

Abstract

Crystallization processes are characterized by activated events and long timescales. These characteristics prevent standard molecular dynamics techniques from being efficiently used for the direct investigation of processes such as nucleation. This short review provides an overview on the use of metadynamics, a state-of-the-art enhanced sampling technique, for the simulation of phase transitions involving the production of a crystalline solid. In particular the principles of metadynamics are outlined, several order parameters are described that have been or could be used in conjunction with metadynamics to sample nucleation events and then an overview is given of recent metadynamics results in the field of crystal nucleation.

Publisher

International Union of Crystallography (IUCr)

Subject

Condensed Matter Physics,General Materials Science,Biochemistry,General Chemistry

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