Anomalous diffusion with absorption: Exact time-dependent solutions

被引：53

作者：

Drazer, G

Wio, HS

Tsallis, C

机构：

[1] Univ Buenos Aires, Fac Ingn, Grp Medios Porosos, Buenos Aires, DF, Argentina

[2] Comis Nacl Energia Atom, Ctr Atom Bariloche, RA-8400 Bariloche, Rio Negro, Argentina

[3] Comis Nacl Energia Atom, Inst Balseiro, RA-8400 Bariloche, Rio Negro, Argentina

[4] UNC, RA-8400 Bariloche, Rio Negro, Argentina

[5] Univ N Texas, Dept Phys, Denton, TX 76203 USA

[6] Ctr Brasileiro Pesquisas Fis, BR-22290180 Rio De Janeiro, Brazil

来源：

PHYSICAL REVIEW E | 2000年 / 61卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.61.1417

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Recently, analytical solutions of a nonlinear Fokker-Planck equation describing anomalous diffusion with an external linear force were found using a nonextensive thermostatistical Ansatz. We have extended these solutions to the case when an homogeneous absorption process is also present. Some peculiar aspects of the inter-relation between the deterministic force, the nonlinear diffusion, and the absorption process are discussed.

引用

页码：1417 / 1422

页数：6

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