Recently it was proposed in [A. F. Lifschitz, et. al., J. Comp. Phys. 228, 1803 (2009)] that laser wakefield acceleration could be modeled efficiently using a particle-in-cell code in cylindrical coordinates if the fields and currents were expanded into Fourier modes in the azimuthal angle, ɸ. We have implemented this algorithm into OSIRIS, including a new rigorous charge conserving deposition routine applicable for it [A. Davidson, et. al., J. Comp. Phys. 281, 1063 (2014)]. This algorithm can be interpreted as a PIC description in r – z and a gridless description in ɸ in which the expansion into ɸ modes is truncated at a desired level. This new quasi-3D algorithm greatly reduces the computational load by describing important three-dimensional (3D) geometrical effects with nearly two-dimensional calculations. In this paper, we propose to combine this algorithm with the Lorentz boosted frame method for simulations of Laser wakefield acceleration (LWFA). We show preliminary results, including an investigation of the unstable numerical Cerenkov instability modes for this geometry, and discuss directions for future work. These preliminary results indicate that combining the quasi-3D method and the Lorentz boosted frame method together may provide unprecedented speed ups for LWFA simulations.
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28 October 2016
ADVANCED ACCELERATOR CONCEPTS 2014: 16th Advanced Accelerator Concepts Workshop
13–18 July 2014
San Jose, CA, USA
Research Article|
October 28 2016
Modeling of laser wakefield acceleration in Lorentz boosted frame using a Quasi-3D OSIRIS algorithm
P. Yu;
P. Yu
*Department of Electrical Engineering,
University of California Los Angeles
, Los Angeles, CA 90095, USA
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A. Davidson;
A. Davidson
†Department of Physics and Astronomy,
University of California Los Angeles
, Los Angeles, CA 90095, USA
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X. Xu;
X. Xu
**Department of Engineering Physics,
Tsinghua University
, Beijing 100084, China
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A. Tableman;
A. Tableman
†Department of Physics and Astronomy,
University of California Los Angeles
, Los Angeles, CA 90095, USA
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V. K. Decyk;
V. K. Decyk
†Department of Physics and Astronomy,
University of California Los Angeles
, Los Angeles, CA 90095, USA
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F. S. Tsung;
F. S. Tsung
†Department of Physics and Astronomy,
University of California Los Angeles
, Los Angeles, CA 90095, USA
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J. Vieira;
J. Vieira
‡
Instituto Superior Técnico
, 1049–001, Lisbon, Portugal
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R. A. Fonseca;
R. A. Fonseca
‡
Instituto Superior Técnico
, 1049–001, Lisbon, Portugal
§
ISCTE - Instituto Universitário de Lisboa
, 1649–026, Lisbon, Portugal
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W. Lu;
W. Lu
**Department of Engineering Physics,
Tsinghua University
, Beijing 100084, China
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L. O. Silva;
L. O. Silva
‡
Instituto Superior Técnico
, 1049–001, Lisbon, Portugal
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W. B. Mori
W. B. Mori
*Department of Electrical Engineering,
University of California Los Angeles
, Los Angeles, CA 90095, USA
†Department of Physics and Astronomy,
University of California Los Angeles
, Los Angeles, CA 90095, USA
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AIP Conf. Proc. 1777, 040020 (2016)
Citation
P. Yu, A. Davidson, X. Xu, A. Tableman, V. K. Decyk, F. S. Tsung, J. Vieira, R. A. Fonseca, W. Lu, L. O. Silva, W. B. Mori; Modeling of laser wakefield acceleration in Lorentz boosted frame using a Quasi-3D OSIRIS algorithm. AIP Conf. Proc. 28 October 2016; 1777 (1): 040020. https://doi.org/10.1063/1.4965622
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