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Title: Mean exit times for free inertial stochastic processes
Author: Porrà i Rovira, Josep Maria
Masoliver, Jaume, 1951-
Lindenberg, Katja
Keywords: Física estadística
Statistical physics
Issue Date: 1994
Publisher: The American Physical Society
Abstract: We study the mean exit time of a free inertial random process from a region in space. The acceleration alternatively takes the values +[ital a] and [minus][ital a] for random periods of time governed by a common distribution [psi]([ital t]). The mean exit time satisfies an integral equation that reduces to a partial differential equation if the random acceleration is Markovian. Some qualitative features of the behavior of the system are discussed and checked by simulations. Among these features, the most striking is the discontinuity of the mean exit time as a function of the initial conditions.
Note: Reproducció del document publicat a:
It is part of: Physical Review E, 1994, vol. 50, núm. 3, p. 1985-1993
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ISSN: 1063-651X
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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