DROPLETS AND DOMAIN WALLS IN 2D EDWARDS–ANDERSON MODEL

Naoki Kawashima ()
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Naoki Kawashima: Department of Physics, Tokyo Metropolitan University, Minamiohsawa 1-1, Hachiohji, Tokyo 192-0397, Japan

International Journal of Modern Physics C (IJMPC), 1999, vol. 10, issue 08, 1453-1458

Abstract: A heuristic optimization algorithm is developed based on the renormalization group idea and applied to the Edwards–Anderson model in two dimensions with symmetric Gaussian bond distribution. Droplets are forced to excite by the boundary condition. We find that the droplets have nontrivial fractal dimension not only for its surface but also for its volume, in contrast to what has been implicitly assumed in conventional droplet arguments.

Keywords: Spin glass; Disordered systems; Droplets; Phase transitions; Critical phenomena (search for similar items in EconPapers)
Date: 1999
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DOI: 10.1142/S0129183199001236

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