Calculation of dynamic critical properties from a cluster-reaction theory
作者： K. Binder , D. Stauffer , H. Müller-Krumbhaar
关键词: Relaxation (NMR) 、 Order (ring theory) 、 Condensed matter physics 、 Exponent 、 Mathematical physics 、 Physics 、 Kinetic energy 、 Spins 、 Ising model 、 Energy (signal processing) 、 Monte Carlo method
摘要: Critical fluctuations in kinetic Ising models are interpreted terms of cluster reactions. The basic assumption, that clusters with $l$ spins grow at a rate $\ensuremath{\propto}{l}^{r}$, is tested by Monte Carlo computations the single-spin-flip case. dynamic susceptibilities associated order parameter and energy then calculated also for nonzero magnetic field, shown to fulfill scaling. exponent $(2\ensuremath{-}r)\ensuremath{\beta}\ensuremath{\delta}$ relaxation times can be different from susceptibility $\ensuremath{\gamma}$.
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