Domain wall entropy of the bimodal two-dimensional Ising spin glass

Abstract

We report calculations of the domain wall entropy for the bimodal two-dimensional Ising spin glass in the critical ground state. The L * L system sizes are large with L up to 256. We find that it is possible to fit the variance of the domain wall entropy to a power function of L. However, the quality of the data distributions are unsatisfactory with large L > 96. Consequently, it is not possible to reliably determine the fractal dimension of the domain walls.

arXiv comment4 pages, 2 figures, submitted to PRB

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• Fractal dimension of domain walls in the Edwards-Anderson spin glass model
• Genetic embedded matching approach to ground states in continuous-spin systems
• Elementary excitations and the phase transition in the bimodal Ising spin glass model