Study of +/-J Ising Spin Glasses via Multicanonical Ensemble
Tarik Celik, Ulrich H. E. Hansmann, Bernd Berg
Abstract
We performed numerical simulations of 2D and 3D Edwards-Anderson spin glass models by using the recently developed multicanonical ensemble. Our ergodicity times increase with the lattice size approximately as V3. The energy, entropy and other physical quantities are easily calculable at all temperatures from a single simulation. Their finite size scalings and the zero temperature limits are also explored.
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