Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2009-10-30
EPL 90, 50005(2010)
Physics
Condensed Matter
Statistical Mechanics
4 pages, 7 eps figures, revtex4
Scientific paper
10.1209/0295-5075/90/50005
In a recent Letter Ciftci and Cakmak [EPL 87, 60003 (2009)] showed that the two dimensional random walk in a bounded domain, where walkers which cross the boundary return to a base curve near origin with deterministic rules, can produce regular patterns. Our numerical calculations suggest that the cumulative probability distribution function of the returning walkers along the base curve is a Devil's staircase, which can be explained from the mapping of these walks to a non-linear stochastic map. The non-trivial probability distribution function(PDF) is a universal feature of CCRW characterized by the fractal dimension d=1.75(0) of the PDF bounding curve.
Basu Mahashweta
Mohanty Pravata Kumar
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