Title :
Computational requirements for Green´s function based photocathode source simulations
Author :
Park, Chong Shik ; Hess, Mark
Author_Institution :
IUCF, Bloomington
Abstract :
We demonstrate the computational requirements for a Green´s function based photocathode simulation code called IRPSS. In particular, we show the necessary conditions, e.g. eigenmode number and integration time-step, for accurately computing the space-charge fields in IRPSS to less than 1 % error. We also illustrate how numerical filtering methods can be applied to IRPSS in conjunction with a multislice approach, for dramatically improving computational efficiency of electromagnetic field calculations.
Keywords :
Green´s function methods; accelerator RF systems; electron sources; particle beam bunching; particle beam injection; photocathodes; physics computing; Greens function; IRPSS; bunched beam; computational requirements; eigenmode number; electromagnetic field calculations; electron source; integration time-step; numerical filtering methods; photocathode source simulations; rf photoinjector; space-charge fields; Beams; Cathodes; Computational efficiency; Computational modeling; Conductors; Electromagnetic fields; Electromagnetic radiation; Filtering; Green function; Green´s function methods;
Conference_Titel :
Particle Accelerator Conference, 2007. PAC. IEEE
Conference_Location :
Albuquerque, NM
Print_ISBN :
978-1-4244-0916-7
DOI :
10.1109/PAC.2007.4440484
