Journal Article

PUBDB-2024-07385

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Pseudospectral particle-in-cell formulation with arbitrary charge and current-density time dependencies for the modeling of relativistic plasmas

Shapoval, O. ; Zoni, E. ; Lehe, R. ; Thévenet, M.DESY* ; Vay, J.-L. (Corresponding author)

2024
Inst. Woodbury, NY

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Please use a persistent id in citations: doi:10.1103/PhysRevE.110.025206  doi:10.3204/PUBDB-2024-07385

Report No.: arXiv:2312.16297

Abstract: This paper introduces a formulation of the particle-in-cell (PIC) method for the modeling of relativistic plasmas, that leverages the ability of the pseudospectral analytical time-domain solver (PSATD) to handle arbitrary time dependencies of the charge and current densities during one PIC cycle (applied to second-order polynomial dependencies here). The formulation is applied to a modified set of Maxwell's equations that was proposed earlier in the context of divergence cleaning, and to recently proposed extensions of the PSATD-PIC algorithm. Detailed analysis and testings revealed that, under some condition, the formulation can expand the range of numerical parameters under which PIC simulations are stable and accurate when modeling relativistic plasmas such as, e.g., plasma-based particle accelerators.

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Contributing Institute(s):

1. Plasma Theory and Simulations (MPA1)

Research Program(s):

1. 621 - Accelerator Research and Development (POF4-621) (POF4-621)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2024

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Database coverage:
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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Preprint Shapoval, O. ; Zoni, E. ; Lehe, R. ; Thevenet, M.DESY* ; Vay, J.-L. (Corresponding author)
Pseudospectral particle-in-cell formulation with arbitrary charge and current-density time dependencies for the modeling of relativistic plasmas
[10.3204/PUBDB-2024-07509]     Files  Fulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS

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