Scattered field FD-TD analysis for wake-fields computation

Issue title: Proceedings of the tenth International Symposium on Applied Electromagnetics and Mechanics ISEM-Tokyo

Article type: Research Article

Authors: Nisiyama, Shusuke^{a; *} | Tomioka, Satoshi^a | Enoto, Takeaki^a

Affiliations: [a] Division of Quantum Energy Engineering, Graduate School of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, 060-8628 Japan

Correspondence: [*] Corresponding author: Shusuke Nisiyama, Tel.: +81 11 706 6656; Fax: +81 11 706 7128; E-mail: [email protected]

Abstract: In this paper, a scattered field Finite-Difference Time-Domain (FD-TD) method is applied to wake-fields computation. In the ordinary FD-TD method or other methods based on the finite difference scheme, the trajectory of a traveling charged particle beam should be along the spatial grid. In the presented method, an arbitrary beam trajectory can be treated since the beam current is not placed on the spatial grid but is considered as an incident field source. Wake potentials of a simple system with a slightly angled beam trajectory are calculated for a demonstration.

DOI: 10.3233/JAE-2002-370

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 14, no. 1-4, pp. 243-247, 2002