dorsal/arxiv
View SchemaNonlinear propagation of broadband intense electromagnetic waves in an electron-positron plasma
| Authors | M. Marklund, B. Eliasson, P. K. Shukla |
|---|---|
| Categories | |
| ArXiv ID | physics/0607170 |
| URL | https://arxiv.org/abs/physics/0607170 |
| DOI | 10.1063/1.2242941 |
| Journal | Phys. Plasmas 13, 083102 (2006) |
Abstract
A kinetic equation describing the nonlinear evolution of intense electromagnetic pulses in electron-positron (e-p) plasmas is presented. The modulational instability is analyzed for a relativistically intense partially coherent pulse, and it is found that the modulational instability is inhibited by the spectral pulse broadening. A numerical study for the one-dimensional kinetic photon equation is presented. Computer simulations reveal a Fermi-Pasta-Ulam-like recurrence phenomena for localized broadband pulses. The results should be of importance in understanding the nonlinear propagation of broadband intense electromagnetic pulses in e-p plasmas in laser-plasma systems as well as in astrophysical plasma settings.
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"abstract": "A kinetic equation describing the nonlinear evolution of intense\nelectromagnetic pulses in electron-positron (e-p) plasmas is presented. The\nmodulational instability is analyzed for a relativistically intense partially\ncoherent pulse, and it is found that the modulational instability is inhibited\nby the spectral pulse broadening. A numerical study for the one-dimensional\nkinetic photon equation is presented. Computer simulations reveal a\nFermi-Pasta-Ulam-like recurrence phenomena for localized broadband pulses. The\nresults should be of importance in understanding the nonlinear propagation of\nbroadband intense electromagnetic pulses in e-p plasmas in laser-plasma systems\nas well as in astrophysical plasma settings.",
"arxiv_id": "physics/0607170",
"authors": [
"M. Marklund",
"B. Eliasson",
"P. K. Shukla"
],
"categories": [
"physics.plasm-ph"
],
"doi": "10.1063/1.2242941",
"journal_ref": "Phys. Plasmas 13, 083102 (2006)",
"title": "Nonlinear propagation of broadband intense electromagnetic waves in an electron-positron plasma",
"url": "https://arxiv.org/abs/physics/0607170"
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