Convergence in nonlinear laser wakefield accelerators modeling in a Lorentz-boosted frame
Abstract
Laser wakefield acceleration modeling using the Lorentz-boosted frame technique in the particle-in-cell code has demonstrated orders of magnitude speedups. A convergence study was previously conducted in cases with external injection in the linear regime and without injection in the nonlinear regime, and the obtained results have shown a convergence within the percentage level. Here, a convergence study is carried out to model electron self-injection in a 2D–3V configuration. It is observed that the Lorentz-boosted frame technique is capable of modeling complex particle dynamics with a significant speedup. This result is crucial to curtail the computational time of the modeling of future chains of laser wakefield accelerator stages with high accuracy.
- Authors:
-
- CNRS, University Paris-Sud, Orsay (France)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1527360
- Alternate Identifier(s):
- OSTI ID: 1547919
- Grant/Contract Number:
- AC0205CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Computer Physics Communications
- Additional Journal Information:
- Journal Volume: 238; Journal Issue: C; Journal ID: ISSN 0010-4655
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS; Lorentz-boosted frame; LWFA; numerical convergence
Citation Formats
Lee, P., and Vay, J. -L. Convergence in nonlinear laser wakefield accelerators modeling in a Lorentz-boosted frame. United States: N. p., 2019.
Web. doi:10.1016/j.cpc.2018.12.013.
Lee, P., & Vay, J. -L. Convergence in nonlinear laser wakefield accelerators modeling in a Lorentz-boosted frame. United States. https://doi.org/10.1016/j.cpc.2018.12.013
Lee, P., and Vay, J. -L. Tue .
"Convergence in nonlinear laser wakefield accelerators modeling in a Lorentz-boosted frame". United States. https://doi.org/10.1016/j.cpc.2018.12.013. https://www.osti.gov/servlets/purl/1527360.
@article{osti_1527360,
title = {Convergence in nonlinear laser wakefield accelerators modeling in a Lorentz-boosted frame},
author = {Lee, P. and Vay, J. -L.},
abstractNote = {Laser wakefield acceleration modeling using the Lorentz-boosted frame technique in the particle-in-cell code has demonstrated orders of magnitude speedups. A convergence study was previously conducted in cases with external injection in the linear regime and without injection in the nonlinear regime, and the obtained results have shown a convergence within the percentage level. Here, a convergence study is carried out to model electron self-injection in a 2D–3V configuration. It is observed that the Lorentz-boosted frame technique is capable of modeling complex particle dynamics with a significant speedup. This result is crucial to curtail the computational time of the modeling of future chains of laser wakefield accelerator stages with high accuracy.},
doi = {10.1016/j.cpc.2018.12.013},
journal = {Computer Physics Communications},
number = C,
volume = 238,
place = {United States},
year = {Tue Dec 31 00:00:00 EST 2019},
month = {Tue Dec 31 00:00:00 EST 2019}
}
Web of Science
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