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Persistent random walk model for transport trough thin slabs
Boguñá, Marián; Porrà i Rovira, Josep Maria; Masoliver, Jaume, 1951-
Universitat de Barcelona
We present a model for transport in multiply scattering media based on a three-dimensional generalization of the persistent random walk. The model assumes that photons move along directions that are parallel to the axes. Although this hypothesis is not realistic, it allows us to solve exactly the problem of multiple scattering propagation in a thin slab. Among other quantities, the transmission probability and the mean transmission time can be calculated exactly. Besides being completely solvable, the model could be used as a benchmark for approximation schemes to multiple light scattering.
Física estadística
Termodinàmica
Sistemes dinàmics diferenciables
Matèria condensada
Teoria del transport
Statistical physics
Thermodynamics
Differentiable dynamical systems
Condensed matter
Transport theory
(c) The American Physical Society, 1999
Article
The American Physical Society
         

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