Dynamic Approach to Weak First Order Phase Transitions
L. Schuelke, B. Zheng
Abstract
A short-time dynamic approach to weak first order phase transitions is proposed. Taking the 2-dimensional Potts models as examples, from short-time behaviour of non-equilibrium relaxational processes starting from high temperature and zero temperature states,x pseudo critical points K* and K** are determined. A clear difference of the values for K* and K** distinguishes a weak first order transition from a second order one. At the pseudo critical points, pseudo critical exponents can be estimated.
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