Abstract
We present a simple criterion based on the Einstein relation for determining whether diffusion in systems governed by a generalized Langevin equation with long-range memory is normal, superdiffusive, or subdiffusive. We support our analysis with numerical simulations.
- Received 7 November 2001
DOI:https://doi.org/10.1103/PhysRevLett.89.100601
©2002 American Physical Society