31 July 2016 to 5 August 2016
Gaylord Hotel and Conference Center
US/Eastern timezone

Stable Modelling of Relativistic Plasmas with the Particle-In-Cell method

1 Aug 2016, 15:30
20m
Chesapeake L (Gaylord Conference Center)

Chesapeake L

Gaylord Conference Center

Oral Working Group 2 WG2

Speaker

Mr. Manuel Kirchen (Center for Free-Electron Laser Science & Department of Physics, University of Hamburg, 22761 Hamburg, Germany)

Abstract

We propose a novel Particle-in-Cell method that is intrinsically free of the Numerical Cherenkov Instability for simulations of relativistically flowing plasmas. It is conceptually independent of specific solvers or geometries and - unlike previous suppression strategies - we completely avoid artificial modifications of the electromagnetic fields. Application is shown at the example of Lorentz-boosted frame simulations of plasma accelerators, achieving excellent accuracy and highest speed-ups using our spectral, quasi-3D code FBPIC.

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Primary authors

Mr. Manuel Kirchen (Center for Free-Electron Laser Science & Department of Physics, University of Hamburg, 22761 Hamburg, Germany) Mr. Rémi Lehe (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

Co-authors

Mr. Andreas R. Maier (Center for Free-Electron Laser Science & Department of Physics, University of Hamburg, 22761 Hamburg, Germany) Mr. Brendan B. Godfrey (University of Maryland, College Park, MD 20742, USA) Mr. Jean-Luc Vay (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

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