Model system for slow dynamics

D. K. Lottis, R. M. White, E. Dan Dahlberg

Research output: Contribution to journalArticlepeer-review

94 Scopus citations


Systems whose dynamics are described by a quasilogarithmic or stretched-exponential time dependence are usually fitted by models which use disorder to create a distribution of relaxation times. Here we describe a model which decays slowly towards equilibrium but does not require disorder to provide the slow dynamics. The model consists of a spin system with the spins interacting via the dipole-dipole interaction. The model is able to replicate the more pronounced features observed in the magnetization decay of magnetic systems and high-temperature superconductors.

Original languageEnglish (US)
Pages (from-to)362-365
Number of pages4
JournalPhysical review letters
Issue number3
StatePublished - 1991


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