Titlebook: Relaxation in Complex Systems and Related Topics; Ian A. Campbell,Carlo Giovannella Book 1990 Springer Science+Business Media New York 199

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0258-1221 models and experimental results and to examine the general physical principles governing this type of behaviour. Non-exponential relaxation is found in extremely diverse physical systems all of which can be classified as complex. The form of the relaxation is generally parametrized using logarithmi

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Experiments on Spin Glass Dynamicsquirements for the ‘universal’ behaviour of the dynamics. In this article I will exemplify some key observations of the . spin glass dynamics, where both the equilibrium as well as the non-equilibrium dynamics are considered. The experimental observations are found from measurements of the time depe

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Attempt at a Comprehensive Description of the Slow Spin Glass Dynamicsystems. The difficulty of such an analysis arises from the existence of a very broad non-stationary distribution of relaxation times. The large width of the distribution makes it impossible to probe all the characteristic times; extrapolations must be made; in particular, it must be assumed that the

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Some Aspects of the Dynamics of Random Anisotropy Systemsean field approximation (2), in which long range ferromagnetic order is broken under the effect of even weak random anisotropy field fluctuations (see ref.1–6 for theoretical considerations and ref.7–14 for experimental ones). We have recently started the study of the dynamics of these systems at lo

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Static and Dynamic Properties of Fine Magnetic Particlesarious branches of sciences as solid state physics, metallurgy, mineralogy, geology, catalysis, fine-arts. Moreover numerous materials are of technological interest, such as ferrofluids, granular samples, glasses, supported particles. The knowledge of the magnetic properties of small particles is th

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Kinetic Aspects of Magnetic Relaxation in Amorphous Ferromagnetic Alloysn fact, owing to the intrinsic metastability of these materials, virtually all the measurable physical quantities are observed to relax. Relaxation processes in metallic glasses may be either irreversible or reversible, the former being essentially related to the structural relaxation of the substan