J. Phys. I France
Volume 3, Numéro 8, August 1993
Page(s) 1819 - 1838
DOI: 10.1051/jp1:1993217
J. Phys. I France 3 (1993) 1819-1838

Barriers and metastable states as saddle points in the replica approach

J. Kurchan1, G.Parisi2 and M.A. Virasoro1

1  Dipartimento di Fisica, Universiti di Roma, La Sapienza,l- 00185 Roma, Italy and INFN Sezione di Roma 1, Roma, Italy
2  Dipartimento di fisica, Universiti di Roma II, Tor Vergata, via E. Caxnevale, Roma 00173, Italy and INFN Sezione di Roma II, Roma, Italy

(Received 30 December 1992, accepted in final form 5 April 1993)

In the context of the p-spin spherical model we show how saddle points of the $n \to$ 0 replica free energy surface can be interpreted as metastable states or barriers.

© Les Editions de Physique 1993

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