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The dynamics of small decoupled Ising clusters with Gaussian-distributed interactions is examined. The exactly solved case of 4-spin clusters shows many dynamic properties of spinglasses. With a smoothly increasing cluster size the nonequilibrium susceptibility is in quantitative agreement with computer simulations of the Edwards-Anderson model of spin-glasses. A smooth change of the microscopic time constant gives a sharp peak in (T). Our results support the dynamical nature of the spin-glass transition.
Wolfgang Kinzel (Wed,) studied this question.