# Frustration and Fluctuations in Systems with Quenched Disorder

@article{Stein2014FrustrationAF, title={Frustration and Fluctuations in Systems with Quenched Disorder}, author={Daniel L. Stein}, journal={arXiv: Disordered Systems and Neural Networks}, year={2014} }

As Phil Anderson noted long ago, frustration can be generally defined by measuring the fluctuations in the coupling energy across a plane boundary between two large blocks of material. Since that time, a number of groups have studied the free energy fluctuations between (putative) distinct spin glass thermodynamic states. While upper bounds on such fluctuations have been obtained, useful lower bounds have been more difficult to derive. I present a history of these efforts, and briefly discuss…

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