The expected number of distinct sites visited by N biased random walks in one dimension

Hernan Larralde, George H. Weiss and H. Eugene Stanley

Physica A: Statistical Mechanics and its Applications, 1994, vol. 209, issue 3, 361-368

Abstract: We calculate the asymptotic form of the expected number of distinct sites visited by N random walkers moving independently in one dimension. It is shown that to lowest order and at long times, the leading term in the asymptotic result is that found for the random walk of a single biased particle, which implies that the bias is strong enough a factor to dominate the many-body effects in that regime. The lowest order correction term contains the many-body contribution. This is essentially the result for the unbiased random walk.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:209:y:1994:i:3:p:361-368

DOI: 10.1016/0378-4371(94)90189-9

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