4.1 Article

Symplectic multiparticle tracking model for self-consistent space-charge simulation

Journal

PHYSICAL REVIEW ACCELERATORS AND BEAMS
Volume 20, Issue 1, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevAccelBeams.20.014203

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Funding

  1. U.S. Department of Energy [DE-AC02-05CH11231]

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Symplectic tracking is important in accelerator beam dynamics simulation. So far, to the best of our knowledge, there is no self-consistent symplectic space-charge tracking model available in the accelerator community. In this paper, we present a two-dimensional and a three-dimensional symplectic multiparticle spectral model for space-charge tracking simulation. This model includes both the effect from external fields and the effect of self-consistent space-charge fields using a split-operator method. Such a model preserves the phase space structure and shows much less numerical emittance growth than the particle-in-cell model in the illustrative examples.

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