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Random Walks on Lattices. II

Montroll, Elliott W., Weiss, George H.·1965·Journal of Mathematical Physics

Abstract

Formulas are obtained for the mean first passage times (as well as their dispersion) in random walks from the origin to an arbitrary lattice point on a periodic space lattice with periodic boundary conditions. Generally this time is proportional to the number of lattice points. The number of distinct points visited after n steps on a k-dimensional lattice (with k ≥ 3) when n is large is a1n + a2n½ + a3 + a4n−½ + …. The constants a1 − a4 have been obtained for walks on a simple cubic lattice when k = 3 and a1 and a2 are given for simple and face-centered cubic lattices. Formulas have also been obtained for the number of points visited r times in n steps as well as the average number of times a given point has been visited. The probability F(c) that a walker on a one-dimensional lattice returns to his starting point before being trapped on a lattice of trap concentration c is F(c) = 1 + [c/(1 − c)] log c. Most of the results in this paper have been derived by the method of Green's functions.

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Metadata

Authors
Montroll, E. W., & Weiss, G. H.
Venue
Journal of Mathematical Physics
Published
1965-02-01
Volume
6
Issue
2
Pages
167-181
ISSN
  • 0022-2488 (ISSN-L)
  • 1089-7658
OpenAlex
W1989941945
Cited by
2,788
References
0
FWCI
1.24
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Random Walks on Lattices. II. https://app.cochat.ai/papers/10.1063/1.1704269
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Montroll, E. W., & Weiss, G. H. (1965). Random Walks on Lattices. II. Journal of Mathematical Physics. https://doi.org/10.1063/1.1704269

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