Developing a multi-timescale PIC code for plasma accelerators

被引：0

作者：

Deng, S ^{[1
]}

Wang, X ^{[1
]}

Katsouleas, T ^{[1
]}

Mori, WB ^{[1
]}

机构：

[1] Univ So Calif, Los Angeles, CA 90089 USA

来源：

2005 IEEE PARTICLE ACCELERATOR CONFERENCE (PAC), VOLS 1-4 | 2005年

关键词：

D O I：

暂无

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

An idea for advancing beam and plasma particles with different time scales in a full PIC model of plasma accelerators is proposed. Because beam particles usually respond much slower than plasma particles, large time steps can be used to update beam particles to save computation time. In this paper, we will describe how to apply this multi-timescale method in a particle-in-cell (PIC) [1] code OSIRIS [2]. Simulation results for SLAC E164 [3] experimental parameters are given and show a high degree of accuracy while gaining a factor of 4-6 in computing time. The limitations of this method are also studied. The maximum time saving is determined by driver beam energy and size of simulation box.

引用

页码：2733 / 2735

页数：3

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