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A single saddle model for the beta-relaxation in supercooled liquids
Andrea Cavagna, Irene Giardina, Tomas S. Grigera
We study the Langevin equation for a single harmonic saddle as an elementary model for the beta-relaxation in supercooled liquids close to Tc. The input of the theory is the spectr…
On the formal equivalence of the TAP and thermodynamic methods in the SK model
Andrea Cavagna, Irene Giardina, Giorgio Parisi +1
We revisit two classic Thouless-Anderson-Palmer (TAP) studies of the Sherrington-Kirkpatrick model [Bray A J and Moore M A 1980 J. Phys. C 13, L469; De Dominicis C and Young A P, 1…
Glass and polycrystal states in a lattice spin model
Andrea Cavagna, Irene Giardina, Tomas S. Grigera
We numerically study a nondisordered lattice spin system with a first order liquid-crystal transition, as a model for supercooled liquids and glasses. Below the melting temperature…