ISSN:
1572-9613
Keywords:
Fluctuation phenomena
;
random walks
;
disordered media
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The random walk of a particle on a directed Bethe lattice of constant coordinanceZ is examined in the case of random hopping rates. As a result, the higher the coordinance, the narrower the regions of anomalous drift and diffusion. The annealed and quenched mean square dispersions are calculated in all dynamical phases. In opposition to the one-dimensional (Z=2) case, the annealed and quenched mean quadratic dispersions are shown to be identical in all phases.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01053749
Permalink