Activated dynamics and effective temperature in a steady state sheared glass

Details Activated dynamics and effective temperature in a steady state sheared glass Activated dynamics and effective temperature in a steady state sheared glass

2007-06-01

arxiv.org/abs/0706.0235v2

Phys. Rev. Lett. 99, 195701 (2007)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 2 figures. Revised to include additional data. Inherent structure energy results were included, and much of the shear

Scientific paper

10.1103/PhysRevLett.99.195701

We conduct nonequilibrium molecular dynamics simulations to measure the shear stress, the average inherent structure energy, and the effective temperature $T_{eff}$ of a sheared model glass as a function of bath temperature $T$ and shear strain rate. For $T$ above the glass transition temperature $T_0$, the rheology approaches a Newtonian limit and $T_{eff}$ approaches $T$ as the strain rate approaches zero, while for $T

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