Scaling arguments and precise simulations are used to study the square lattice $\pm J$ Ising spin glass, a prototypical model for glassy systems. Droplet theory predicts, and our numerical results show, entropically-stabilized long range spin glass order at zero temperature. The low temperature scaling behavior has an important new crossover length scale that produces a power-law dependence of the heat capacity on temperature.
Middleton, Alan; Thomas, Creighton K.; and Huse, David A., "Zero and Low Temperature Behavior of the Two-Dimensional \pm J Ising Spin Glass" (2011). Physics. Paper 175.
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