Activated dynamics and effective temperature in a steady state sheared glass |
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Authors: | Haxton Thomas K Liu Andrea J |
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Institution: | Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA, 19104, USA. |
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Abstract: | We conduct nonequilibrium molecular dynamics simulations to measure the shear stress sigma, the average inherent structure energy E{IS}, and the effective temperature T{eff} of a sheared model glass as a function of bath temperature T and shear strain rate gamma. For T above the glass transition temperature T0, the rheology approaches a Newtonian limit and T{eff}-->T as gamma-->0, while for T
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