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Title: 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:
ORCiD logo; ORCiD logo
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1547919
Alternate Identifier(s):
OSTI ID: 1527360
Grant/Contract Number:  
AC0205CH11231
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Computer Physics Communications
Additional Journal Information:
Journal Name: Computer Physics Communications Journal Volume: 238 Journal Issue: C; Journal ID: ISSN 0010-4655
Publisher:
Elsevier
Country of Publication:
Netherlands
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. Netherlands: 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. Netherlands. doi:10.1016/j.cpc.2018.12.013.
Lee, P., and Vay, J. -L. Wed . "Convergence in nonlinear laser wakefield accelerators modeling in a Lorentz-boosted frame". Netherlands. doi:10.1016/j.cpc.2018.12.013.
@article{osti_1547919,
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 = {Netherlands},
year = {2019},
month = {5}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1016/j.cpc.2018.12.013

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