Axial representation of external time-dependent electromagnetic fields for particle tracking in accelerators

被引：0

作者：

Zagorodnov, Igor ^{[1
]}

Dohlus, Martin ^{[1
]}

机构：

[1] DESY, Notkestr 85, D-22603 Hamburg, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2021年 / 1009卷

关键词：

Accelerator; Electromagnetic fields; Numerical methods;

D O I：

10.1016/j.nima.2021.165482

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We derive a power series representation of an arbitrary electromagnetic field near some axis through the coaxial field components on the axis. The obtained equations are compared with Fourier-Bessel series approach and verified by several examples. It is shown that for each azimuthal mode we need only two real functions on the axis in order to describe the field in a source free region near to it. The representation of dipole mode in a superconducting radio-frequency gun is analyzed.

引用

页数：8

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