Abstract
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 language | English (US) |
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Pages (from-to) | 362-365 |
Number of pages | 4 |
Journal | Physical review letters |
Volume | 67 |
Issue number | 3 |
DOIs | |
State | Published - 1991 |