Symplectic particle-in-cell model for space-charge beam dynamics simulation
Abstract
Space-charge effects play an important role in high intensity particle accelerators and were studied using a variety of macroparticle tracking models. In this paper, we propose a symplectic particle-in-cell (PIC) model and compare this model with a recently published symplectic gridless particle model and a conventional nonsymplectic PIC model for long-term space-charge simulation of a coasting beam. Using the same step size and the same number of modes for the space-charge Poisson solver, all three models show qualitatively similar emittance growth evolutions and final phase space shapes in the benchmark examples. Quantitatively, the symplectic PIC and the symplectic gridless particle models agree with each other very well, while the nonsymplectic PIC model yields different emittance growth value. Here, using finer step size, the emittance growth from the nonsymplectic PIC converges towards that from the symplectic PIC model.
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1439365
- Alternate Identifier(s):
- OSTI ID: 1461155
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Accelerators and Beams
- Additional Journal Information:
- Journal Name: Physical Review Accelerators and Beams Journal Volume: 21 Journal Issue: 5; Journal ID: ISSN 2469-9888
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Qiang, Ji. Symplectic particle-in-cell model for space-charge beam dynamics simulation. United States: N. p., 2018.
Web. doi:10.1103/PhysRevAccelBeams.21.054201.
Qiang, Ji. Symplectic particle-in-cell model for space-charge beam dynamics simulation. United States. https://doi.org/10.1103/PhysRevAccelBeams.21.054201
Qiang, Ji. Tue .
"Symplectic particle-in-cell model for space-charge beam dynamics simulation". United States. https://doi.org/10.1103/PhysRevAccelBeams.21.054201.
@article{osti_1439365,
title = {Symplectic particle-in-cell model for space-charge beam dynamics simulation},
author = {Qiang, Ji},
abstractNote = {Space-charge effects play an important role in high intensity particle accelerators and were studied using a variety of macroparticle tracking models. In this paper, we propose a symplectic particle-in-cell (PIC) model and compare this model with a recently published symplectic gridless particle model and a conventional nonsymplectic PIC model for long-term space-charge simulation of a coasting beam. Using the same step size and the same number of modes for the space-charge Poisson solver, all three models show qualitatively similar emittance growth evolutions and final phase space shapes in the benchmark examples. Quantitatively, the symplectic PIC and the symplectic gridless particle models agree with each other very well, while the nonsymplectic PIC model yields different emittance growth value. Here, using finer step size, the emittance growth from the nonsymplectic PIC converges towards that from the symplectic PIC model.},
doi = {10.1103/PhysRevAccelBeams.21.054201},
journal = {Physical Review Accelerators and Beams},
number = 5,
volume = 21,
place = {United States},
year = {Tue May 29 00:00:00 EDT 2018},
month = {Tue May 29 00:00:00 EDT 2018}
}
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https://doi.org/10.1103/PhysRevAccelBeams.21.054201
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Cited by: 8 works
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Works referencing / citing this record:
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