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Short-time dynamics of the positional order of the two-dimensional hard disk system

Andreas Jaster

cond-mat.stat-mecharXiv:cond-mat/9807295

Abstract

We investigate the positional order of the two-dimensional hard disk model with short-time dynamics and equilibrium simulations. The melting density and the critical exponents z and eta are determined. Our results rule out a phase transition as predicted by the Kosterlitz-Thouless-Halperin-Nelson-Young theory as well as a first-order transition.

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