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Physics of Plasmas / Volume 18 / Issue 12 / ARTICLES / Lasers, Particle Beams, Accelerators, Radiation Generation

Phys. Plasmas 18, 123103 (2011); http://dx.doi.org/10.1063/1.3663841 (16 pages)

Modeling of 10 GeV-1 TeV laser-plasma accelerators using Lorentz boosted simulations

J.-L. Vay1, C. G. R. Geddes1, E. Esarey1, C. B. Schroeder1, W. P. Leemans1, E. Cormier-Michel2, and D. P. Grote3

1Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
2Tech-X Corporation, Boulder, Colorado 80303, USA
3Lawrence Livermore National Laboratory, Livermore, California 94550, USA

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(Received 2 March 2011; accepted 30 September 2011; published online 13 December 2011)

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.

© 2011 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. THEORETICAL SPEEDUP DEPENDENCY WITH THE FRAME BOOST
    1. Estimated speedup for 0.1-100 GeV stages
  3. NUMERICAL ISSUES IN PAST BOOSTED FRAME SIMULATIONS AND OBSERVED SPEEDUPS
  4. MODELING 10 GeV CLASS LASER PLASMA ACCELERATION STAGES
    1. Scaled 10 GeV class stages
    2. Full scale 10 GeV class stages
  5. FULL SCALE 100 GeV-1 TeV STAGES
  6. CONCLUSIONS

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KEYWORDS and PACS

Keywords

plasma accelerators, wakefield accelerators

PACS

  • 52.38.Kd

    Laser-plasma acceleration of electrons and ions

  • 52.59.-f

    Intense particle beams and radiation sources

  • 29.20.Ej

    Linear accelerators

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3663841

PUBLICATION DATA

ISSN

1070-664X (print)  
1089-7674 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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