Journal
ASTROPHYSICS AND SPACE SCIENCE
Volume 290, Issue 3-4, Pages 299-310Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/B:ASTR.0000032531.46639.a7
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In earlier papers Saxena et al. (Saxena, R. K., Mathai, A. M. and Haubold, H.J., Astrophys. Space Sci. 2002, 282, 281-287; manuscript submitted for publication) derived the solutions of a number of fractional kinetic equations in terms of generalized Mittag-Leffler functions which extended the work of Haubold and Mathai ( 2000). The object of the present paper is to investigate the solution of a unified form of fractional kinetic equation in which the free term contains any integrable function f(t), which provides the unification and extension of the results given earlier recently by Saxena et al. (Saxena, R. K., Mathai, A. M. and Haubold, H.J., Astrophys. Space Sci. 2002, 282, 281-287; manuscript submitted for publication). The solution has been developed in terms of the Wright function in a closed form by the method of Laplace transform. Further we derive a closed-form solution of a fractional diffusion equation. The asymptotic expansion of the derived solution with respect to the space variable is also discussed. The results obtained are in a form suitable for numerical computation.
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