Publication

Multi-dimensional Vlasov simulations and modeling of trapped-electron-driven filamentation of electron plasma waves

Stephan Brunner
2015
Journal Articles

Abstract

Kinetic simulations of two-dimensional finite-amplitude electron plasma waves are performed in a one-wavelength long system. A systematic study of the most unstable linear sideband mode, in particular its growth rate gamma and wavenumber k(y), is carried out by scanning the amplitude and wavenumber of the initial wave. Simulation results are compared with numerical and analytical solutions to a two-dimensional nonlinear Schrodinger model [H. A. Rose and L. Yin, Phys. Plasmas 15, 042311 (2008)] and to the reduced model by Kruer et al. [Phys. Rev. Lett. 23, 838 (1969)] generalized to two dimensions. (C) 2015 AIP Publishing LLC.

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https://infoscience.epfl.ch/entities/publication/33dd115d-e1e1-4308-868a-18458968e0e5

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Stephan Brunner
2015
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/33dd115d-e1e1-4308-868a-18458968e0e5

About this result

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In physics, mathematics, engineering, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Waves can be periodic, in which case those quantities oscillate repeatedly about an equilibrium (resting) value at some frequency. When the entire waveform moves in one direction, it is said to be a traveling wave; by contrast, a pair of superimposed periodic waves traveling in opposite directions makes a standing wave.

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Multi-dimensional Vlasov simulations and modeling of trapped-electron-driven filamentation of electron plasma waves

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