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Instability and dynamics of two nonlinearly coupled laser beams in a plasma
Institute of Theoretical Physics IV Ruhr-University Bochum, Germany.
Institute of Theoretical Physics IV Ruhr-University Bochum, Germany.
Physics Department Umea University.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics . Linköping University, The Institute of Technology.
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2006 (English)In: Physics of Plasmas, ISSN 1070-664X, E-ISSN 1089-7674, Vol. 13, no 5, 053104-1-053104-7 p.Article in journal (Refereed) Published
Abstract [en]

The nonlinear interaction between two laser beams in a plasma is investigated in the weakly nonlinear and relativistic regime. The evolution of the laser beams is governed by two nonlinear Schrödinger equations that are coupled with the slow plasma density response. A nonlinear dispersion relation is derived and used to study the growth rates of the Raman forward and backward scattering instabilities as well of the Brillouin and self-focusing/modulational instabilities. The nonlinear evolution of the instabilities is investigated by means of direct simulations of the time-dependent system of nonlinear equations.

Place, publisher, year, edition, pages
2006. Vol. 13, no 5, 053104-1-053104-7 p.
Keyword [en]
plasma physics
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-35699DOI: 10.1063/1.2198205Local ID: 28191OAI: oai:DiVA.org:liu-35699DiVA: diva2:256547
Note
Original Publication: Padma K Shukla, Bengt Eliasson, Mattias Marklund, Lennart Stenflo, Ioannis Kourakis, Madelene Parviainen and Mark E Dieckmann, Instability and dynamics of two nonlinearly coupled laser beams in a plasma, 2006, Physics of Plasmas, (13), 5, 053104-1-053104-7. http://dx.doi.org/10.1063/1.2198205 Copyright: American Institute of Physics http://www.aip.org/ Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-12-13

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Stenflo, LennartDieckmann, Mark E

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  • apa
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