Modeling of laser-plasma wakefield accelerators in an optimal frame of reference [J.-L. Vay, Phys. Rev. Lett. 98, 130405 (2007)] allows direct and efficient full-scale modeling of deeply depleted and beam loaded laser-plasma stages of 10 GeV-1 TeV (parameters not computationally accessible otherwise). This verifies the scaling of plasma accelerators to very high energies and accurately models the laser evolution and the accelerated electron beam transverse dynamics and energy spread. Over 4, 5, and 6 orders of magnitude speedup is achieved for the modeling of 10 GeV, 100 GeV, and 1 TeV class stages, respectively. Agreement at the percentage level is demonstrated between simulations using different frames of reference for a 0.1 GeV class stage. Obtaining these speedups and levels of accuracy was permitted by solutions for handling data input (in particular, particle and laser beams injection) and output in a relativistically boosted frame of reference, as well as mitigation of a high-frequency instability that otherwise limits effectiveness.
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December 2011
Research Article|
December 13 2011
Modeling of 10 GeV-1 TeV laser-plasma accelerators using Lorentz boosted simulations
J.-L. Vay;
J.-L. Vay
a)
1Lawrence Berkeley National Laboratory, Berkeley, California 94720,
USA
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C. G. R. Geddes;
C. G. R. Geddes
1Lawrence Berkeley National Laboratory, Berkeley, California 94720,
USA
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E. Esarey;
E. Esarey
1Lawrence Berkeley National Laboratory, Berkeley, California 94720,
USA
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C. B. Schroeder;
C. B. Schroeder
1Lawrence Berkeley National Laboratory, Berkeley, California 94720,
USA
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W. P. Leemans;
W. P. Leemans
1Lawrence Berkeley National Laboratory, Berkeley, California 94720,
USA
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E. Cormier-Michel;
E. Cormier-Michel
2Tech-X Corporation, Boulder, Colorado 80303,
USA
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D. P. Grote
D. P. Grote
3Lawrence Livermore National Laboratory, Livermore, California 94550,
USA
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a)
Electronic mail: jlvay@lbl.gov.
Phys. Plasmas 18, 123103 (2011)
Article history
Received:
March 02 2011
Accepted:
September 30 2011
Citation
J.-L. Vay, C. G. R. Geddes, E. Esarey, C. B. Schroeder, W. P. Leemans, E. Cormier-Michel, D. P. Grote; Modeling of 10 GeV-1 TeV laser-plasma accelerators using Lorentz boosted simulations. Phys. Plasmas 1 December 2011; 18 (12): 123103. https://doi.org/10.1063/1.3663841
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