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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/10670
Static chaos and scaling behaviour in the spin-glass phase
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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 sorne pure states are suppressed by the magnetic field and their free-energy cost is determined by the finitetemperature 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 0 is very close to ( d - 3) /2. In both approaches d = 3 is the lower critica! dimension in agreement with recent numerical simulations.
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RITORT FARRAN, Fèlix. Static chaos and scaling behaviour in the spin-glass phase. Physical Review B. 1994. Vol. 50, num. 10 p. ISSN 0163-1829. [consulted: 12 of June of 2026]. Available at: https://hdl.handle.net/2445/10670