Static chaos and scaling behaviour in the spin-glass phase
arXiv:cond-mat/9404020 · doi:10.1103/PhysRevB.50.6844
Abstract
We discuss the problem of static chaos in spin glasses. In the case of magnetic field perturbations, we propose a scaling theory for the spin-glass phase. Using the mean-field approach we argue that some pure states are suppressed by the magnetic field and their free energy cost is determined by the finite-temperature fixed point exponents. In this framework, numerical results suggest that mean-field chaos exponents are probably exact in finite dimensions. If we use the droplet approach, numerical results suggest that the zero-temperature fixed point exponent is very close to . In both approaches is the lower critical dimension in agreement with recent numerical simulations.
28 pages + 6 figures, LateX, figures uuencoded at the end of file
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Cited by in corpus (41)
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