Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2000-04-11
Physics
Condensed Matter
Statistical Mechanics
RevTeX4 file with 6 figures
Scientific paper
10.1103/PhysRevE.63.041104
We present the analytical and numerical results of a random walk on the family of small-world graphs. The average access time shows a crossover from the regular to random behavior with increasing distance from the starting point of the random walk. We introduce an {\em independent step approximation}, which enables us to obtain analytic results for the average access time. We observe a scaling relation for the average access time in the degree of the nodes. The behavior of average access time as a function of $p$, shows striking similarity with that of the {\em characteristic length} of the graph. This observation may have important applications in routing and switching in networks with large number of nodes.
Amritkar R. E.
Pandit Sagar A.
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