Dynamical transitions and sliding friction in the two-dimensional Frenkel-Kontorova model

Details Dynamical transitions and sliding friction in the two-dimensional Frenkel-Kontorova model Dynamical transitions and sliding friction in the two-dimensional Frenkel-Kontorova model

1998-11-13

arxiv.org/abs/cond-mat/9811201v1

Phys. Rev. B 59, 5154 (1999)

Physics

Condensed Matter

Statistical Mechanics

11 pages, 12 figures, to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.59.5154

The nonlinear response of an adsorbed layer on a periodic substrate to an external force is studied via a two dimensional uniaxial Frenkel-Kontorova model. The nonequlibrium properties of the model are simulated by Brownian molecular dynamics. Dynamical phase transitions between pinned solid, sliding commensurate and incommensurate solids and hysteresis effects are found that are qualitatively similar to the results for a Lennard-Jones model, thus demonstrating the universal nature of these features.

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