Vitrification of a monatomic 2D simple liquid

Details Vitrification of a monatomic 2D simple liquid Vitrification of a monatomic 2D simple liquid

2009-03-13

arxiv.org/abs/0903.2333v2

Physics

Condensed Matter

Disordered Systems and Neural Networks

5pages,5figures,accepted for publication in CEJP

Scientific paper

10.2478/s11534-009-0013-0

A monatomic simple liquid in two dimensions, where atoms interact isotropically through the Lennard-Jones-Gauss potential [M. Engel and H.-R. Trebin, Phys. Rev. Lett. 98, 225505 (2007)], is vitrified by the use of a rapid cooling technique in a molecular dynamics simulation. Transformation to a crystalline state is investigated at various temperatures and the time-temperature-transformation (TTT) curve is determined. It is found that the transformation time to a crystalline state is the shortest at a temerature 14% below the melting temperature Tm and that at temperatures below Tv = 0.6 Tm the transformation time is much longer than the available CPU time. This indicates that a long-lived glassy state is realized for T < Tv.

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