Document Type

Conference Paper

Publication Date




Publication Title

Proceedings of the 8th International Particle Accelerator Conference



Conference Name

8th International Particle Accelerator Conference


Coherent synchrotron radiation (CSR) is an effect of self-interaction of an electron bunch as it traverses a curved path. It can cause a significant emittance degradation, as well as fragmentation and microbunching. Numerical simulations of the 2D/3D CSR effects have been extremely challenging due to computational bottlenecks associated with calculating retarded potentials via integrating over the history of the bunch. We present a new high-performance 2D, particle-in-cell code which uses massively parallel multicore GPU/GPU platforms to alleviate computational bottlenecks. The code formulates the CSR problem from first principles by using the retarded scalar and vector potentials to compute the self-interaction fields. The speedup due to the parallel implementation on GPU/CPU platforms exceeds three orders of magnitude, thereby bringing a previously intractable problem within reach. The accuracy of the code is verified against analytic 1D solutions (rigid bunch) and semi-analytic 2D solutions for the chirped bunch. Finally, we use the new code in conjunction with a genetic algorithm to optimize the design of a fiducial chicane.


Copyright © 2017 by JACoW, Geneva, Switzerland.

Published under a Creative Commons Attribution 3.0 unported license.

Funded by the National Science Foundation Grant 1535641

Original Publication Citation

Terzić, B., Arumugam, K., Duffin, D., Godunov, A., Islam, T., Ranjan, D., ... & Zubair, M. (2017, May). Simulations of Coherent Synchrotron Radiation on Parallel Hybrid GPU/CPU Platform. In Proceedings of the 8th International Particle Accelerator Conference (IPAC'17), Copenhagen, Denmark, May 14-19, 2017 (pp. 3915-3917).


0000-0002-9646-8155 (Terzić), 0000-0002-9892-6869 (Godunov)