disordered spin system

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• Spin glass — A spin glass is a disordered material exhibiting high magnetic frustration. The origin of the behavior can be either a disordered structure (such as that of a conventional, chemical glass) or a disordered magnetic doping in an otherwise regular… …   Wikipedia

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• Anderson localization — In condensed matter physics, Anderson localization, also known as strong localization, is the absence of diffusion of waves in a disordered medium. This phenomenon is named after the American physicist P. W. Anderson, who was the first one to… …   Wikipedia

• Kosterlitz–Thouless transition — The Kosterlitz–Thouless transition, or Berezinsky–Kosterlitz–Thouless transition, is a special transition seen in the XY model for interacting spin systems in 2 spatial dimensions.The XY model is a 2 Dimensional vector spin model that possesses… …   Wikipedia

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