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  1. sciencedirect.com

    The ponderomotive guiding center (PGC) approximation is based on the idea of averaging the motion of a particle in the laser and wakefields over the laser frequency. This permits solving for the envelope of the laser and then using the laser envelope to calculate an average or ponderomotive force on the plasma electrons.
  2. ui.adsabs.harvard.edu

    However, simulations performed for such systems have to solve the laser wavelength which is orders of magnitude lower than the plasma wavelength. In this context, the Ponderomotive Guiding Center (PGC) algorithm for particle-in-cell (PIC) simulations is a potent tool.
    Author:Thales Silva, Jorge Vieira, Anton Helm, Ricardo Fonseca, Luis SilvaPublished:2017
  3. To achieve highly efficient modeling of LWFA processes, various speedup techniques based on reduced models have been developed, such as a Lorentz boosted frame technique [17, 18], quasi-static approximation [19], ponderomotive guiding center model [19, 20, 21] and azimuthal Fourier decomposition [22, 23, 24].
  4. To achieve highly e cient modeling of LWFA processes, various speedup techniques based on reduced models have been developed, such as a Lorentz boosted frame technique [17, 18], quasi-static approximation [19], ponderomotive guiding center model [19, 20, 21] and azimuthal Fourier decomposition [22, 23, 24].
  5. High-fidelity modeling of plasma-based acceleration (PBA) requires the use of 3D fully nonlinear and kinetic descriptions based on the particle-in-cell (PIC) method. Three-dimensional PIC algorithms based on the quasi-static approximation (QSA) have been successfully applied to efficiently model the beam-plasma interaction. In a QSA-PIC algorithm, the plasma response to a charged particle beam ...
  6. agenda.infn.it

    The European Advanced Accelerator Concepts Workshop has the mission to discuss and foster methods of beam acceleration with gradients beyond state of the art in operational facilities. The most cost effective and compact methods for generating high energy particle beams shall be reviewed and assessed. This includes diagnostics methods, timing technology, special needs for injectors, beam ...
  7. picksc.physics.ucla.edu

    Conclusion Ponderomotive guiding center solver reduced solver for laser wakefield acceleration advancing fields on plasma skin depth, envelope model for laser and ponderomotive force OSIRIS main objects for extension objects to modify to implement PGC in OSIRIS step-by-step show case of implantation in OSIRIS
  8. inspirehep.net

    •An efficient ponderomotive guiding center (PGC) model adapted to quasi-static particle-in-cell (PIC) algorithm QPAD.•QPAD-PGC combines both quasi-static approximation and azimuthal Fourier decomposition to speed up the simulation.•Speed up modeling of laser wakefield acceleration by orders of magnitude compared to regular 3D PIC simulations.
  9. meetings.aps.org

    However, simulations performed for such systems have to solve the laser wavelength which is orders of magnitude lower than the plasma wavelength. In this context, the Ponderomotive Guiding Center (PGC) algorithm for particle-in-cell (PIC) simulations is a potent tool.

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