Molecular dynamics simulation of aging in amorphous silica

Details Molecular dynamics simulation of aging in amorphous silica Molecular dynamics simulation of aging in amorphous silica

1999-12-06

arxiv.org/abs/cond-mat/9912095v1

J. Phys. Soc. Jpn. 69 Suppl. A, 242 (2000)

Physics

Condensed Matter

Disordered Systems and Neural Networks

5 pages LaTeX, eps-figures and JPSJ-macros included. Proceedings of the workshop 'Frontiers in Magnetism', Kyoto, Oct. 1999

Scientific paper

By means of molecular dynamics simulations we examine the aging process of a strong glass former, a silica melt modeled by the BKS potential. The system is quenched from a temperature above to one below the critical temperature, and the potential energy and the scattering function C(t_w,t+t_w) for various waiting times t_w after the quench are measured. We find that both qualitatively and quantitatively the results agree well with the ones found in similar simulations of a fragile glass former, a Lennard-Jones liquid.

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