Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2006-07-05
J. Phys. A: Math. Gen. 39 13393 (2006)
Physics
Condensed Matter
Disordered Systems and Neural Networks
10 pages, 3 figures
Scientific paper
10.1088/0305-4470/39/43/001
We consider the quadrupolar glass model with infinite-range random interaction. Introducing a simple one-step replica symmetry breaking ansatz we investigate the para-glass continuous (discontinuous) transition which occurs below (above) a critical value of the quadrupole dimension m*. By using a mean-field approximation we study the stability of the one-step replica symmetry breaking solution and show that for m>m* there are two transitions. The thermodynamic transition is discontinuous but there is no latent heat. At a higher temperature we find the dynamical or glass transition temperature and the corresponding discontinuous jump of the order parameter.
Mancini Francesco Paolo
Sherrington David
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