The fractional Fokker-Planck equation on comb-like model

被引:20
作者
Zahran, MA [1 ]
Abulwafa, EM [1 ]
Elwakil, SA [1 ]
机构
[1] Univ Mansoura, Fac Sci, Dept Phys, Theoret Phys Grp, Mansoura 34517, Egypt
关键词
fractional calculus; anomalous diffusion; operator method;
D O I
10.1016/S0378-4371(02)02026-5
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The fractional Fokker-Planck equation, were used to describe the anomalous diffusion in external fields, is derived using a comb-like structure as a background model. For the force-free case, the distribution function associated with space dependence diffusion coefficient along the backbone of the structure are obtained in a closed form of H-function. The operator method has been used to solve the fractional Fokker-Planck equation taking the external field into account. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:237 / 248
页数:12
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