Escape from metastability via aging: non-equilibrium dynamics in a one-dimensional Ising model
- 21 November 1994
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 27 (22) , L853-L860
- https://doi.org/10.1088/0305-4470/27/22/002
Abstract
The nonequilibrium dynamics of a one-dimensional Ising model with uniform, short-ranged three-spin interactions is investigated. It is shown that this model possesses an exponentially large number of metastable configurations that are stable against single spin flips. This glass-like situation results in a complete freezing of the system at low temperatures for times smaller than an intrinsic time-scale, which diverges exponentially with inverse temperature. Via thermal activation the system eventually escapes from this frozen state, which signals the onset of aging by domain growth.Keywords
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