Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session JO4: Analytical and Computational Techniques in Inertial Confinement Fusion
2:00 PM–4:36 PM,
Tuesday, November 6, 2018
OCC
Room: B110-112
Chair: Chuang Ren, University of Rochester
Abstract ID: BAPS.2018.DPP.JO4.9
Abstract: JO4.00009 : Universal scaling laws for pulse propagation in plasma and non-linear media
3:36 PM–3:48 PM
Presenter:
Raoul Trines
(Rutherford Appleton Lab)
Authors:
Raoul Trines
(Rutherford Appleton Lab)
Holger Schmitz
(Rutherford Appleton Lab)
Jorge M Vieira
(Inst Superior Tecnico (IST))
Luis O Silva
(Inst Superior Tecnico (IST))
Ricardo Fonseca
(ISCTE - Inst Universitario Lisboa)
R.A. Cairns
(Univ. St Andrews, Fife, UK)
Robert Bingham
(Rutherford Appleton Lab)
Here we show how the scaling laws and ideal lines that rule non-linear pulse evolution can be derived from non-linear envelope equations. We will do this for non-linear three-wave interaction systems, like those that describe Raman and Brillouin amplification. The scheme also works well for other non-linear equations, such as the non-linear Schrödinger equation, the Korteweg-de Vries equation and the Boussinesq equation. For pancake pulses in multi-dimensional settings, we will show how the scaling laws will cause the pulse to assume a "horseshoe" shape, which has already been demonstrated in both parametric pulse amplification and soliton propagation.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.JO4.9
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