A treecode algorithm for simulating electron dynamics in a Penning-Malmberg trap

被引：16

作者：

Christlieb, AJ ^{[1
]}

Krasny, R

Verboncoeur, JP

机构：

[1] Univ Michigan, Dept Math, Ann Arbor, MI 48109 USA

[2] Univ Calif Berkeley, Dept Elect & Comp Engn, Berkeley, CA 94720 USA

来源：

COMPUTER PHYSICS COMMUNICATIONS | 2004年 / 164卷 / 1-3期

关键词：

charged particles; electrostatic potential; treecode algorithm;

D O I：

10.1016/j.cpc.2004.06.076

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A treecode algorithm is presented for computing the electrostatic potential and electric field in a system of charged particles. The algorithm is grid-free and with N particles it reduces the operation count to O(N log N), as opposed to O(N-2) which is required for direct summation of pairwise interactions. The key idea is to replace the particle-particle interactions by particle-cluster interactions which are evaluated using a Taylor approximation in Cartesian coordinates. The treecode is combined here with a boundary integral method to simulate electron dynamics in a Penning-Malmberg trap. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：306 / 310

页数：5

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