Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2007-06-25
Phys. Rev. Lett. 99, 160602 (2007)
Physics
Condensed Matter
Statistical Mechanics
4 pages, 5 figures, REVTeX
Scientific paper
10.1103/PhysRevLett.99.160602
Exact results for the first passage time and leapover statistics of symmetric and one-sided Levy flights (LFs) are derived. LFs with stable index alpha are shown to have leapover lengths, that are asymptotically power-law distributed with index alpha for one-sided LFs and, surprisingly, with index alpha/2 for symmetric LFs. The first passage time distribution scales like a power-law with index 1/2 as required by the Sparre Andersen theorem for symmetric LFs, whereas one-sided LFs have a narrow distribution of first passage times. The exact analytic results are confirmed by extensive simulations.
Chechkin Aleksei V.
Klafter Joseph
Koren Tal
Lomholt Michael A.
Metzler Ralf
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