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Nonlinear interaction and propagation of gravitational and electromagnetic waves in plasmas
Umeå University, Faculty of Science and Technology, Physics.
2003 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Gravitational waves and electromagnetic waves are important as carriers of energy and information. This thesis is devoted to the study of the propagation and interaction of these waves in plasmas, with emphasis on nonlinear effects and applications within astrophysics.

The physical systems are described by the Einstein-Maxwell-fluid equations or Einstein-Maxwell-Vlasov equations, when a kinetic treatment is required. The small amplitude and high-frequency approximation is employed for the gravitational waves, such that perturbative techniques can be applied and space-time can be considered locally flat, with a gravitational radiation field superimposed on it. The gravitational waves give rise to coupling terms that have the structure of effective currents in the Maxwell equations and an effective gravitational force in the equation of motion for the plasma. The Einstein field equations describe the evolution of the gravitational waves, with the perturbed energy-momentum density of the plasma and the electromagnetic field as a source.

The processes that are investigated are gravitational waves exciting electromagnetic waves in plasmas, altering the optical properties of plasmas and accelerating charged particles. The thesis also deals with the propagation propertities of gravitational and electromagnetic waves, e.g. effects due to resonant wave-particle interactions, plasma inhomogeneties and nonlinear self-interactions. It is also shown that plasmas that are not in thermodynamical equilibrium may release their free energy by emitting gravitational waves.

Place, publisher, year, edition, pages
2003. , 120 p.
Keyword [en]
Theoretical physics, general relativity, plasma, gravitational waves, electromagnetic waves, nonlinear, wave interaction, wave propagation
Keyword [sv]
Teoretisk fysik
National Category
Physical Sciences
Research subject
Theoretical Physics
Identifiers
URN: urn:nbn:se:umu:diva-122ISBN: 91-7305-480-1 (print)OAI: oai:DiVA.org:umu-122DiVA: diva2:140515
Public defence
2003-09-19, N430, Naturvetarhuset, Umeå, 10:15
Opponent
Supervisors
Available from: 2003-10-09 Created: 2003-10-09Bibliographically approved
List of papers
1. Parametric excitation of Alfvén waves by gravitational radiation
Open this publication in new window or tab >>Parametric excitation of Alfvén waves by gravitational radiation
2000 In: Physical review E, Vol. 62, 8493- p.Article in journal (Refereed) Published
Identifiers
urn:nbn:se:umu:diva-2458 (URN)
Available from: 2003-10-09 Created: 2003-10-09Bibliographically approved
2. Photon frequency conversion induced by gravitational radiation
Open this publication in new window or tab >>Photon frequency conversion induced by gravitational radiation
2001 In: Physical review D, Vol. 63, 124003- p.Article in journal (Refereed) Published
Identifiers
urn:nbn:se:umu:diva-2459 (URN)
Available from: 2003-10-09 Created: 2003-10-09Bibliographically approved
3. Cyclotron damping and Faraday rotation of gravitational waves
Open this publication in new window or tab >>Cyclotron damping and Faraday rotation of gravitational waves
2001 In: Physical review D, Vol. 64, 024013- p.Article in journal (Refereed) Published
Identifiers
urn:nbn:se:umu:diva-2460 (URN)
Available from: 2003-10-09 Created: 2003-10-09Bibliographically approved
4. Propagation of electromagnetically generated wake fields in inhomogeneous magnetized plasmas
Open this publication in new window or tab >>Propagation of electromagnetically generated wake fields in inhomogeneous magnetized plasmas
2002 In: Journal of plasma physics, Vol. 67, 339- p.Article in journal (Refereed) Published
Identifiers
urn:nbn:se:umu:diva-2461 (URN)
Available from: 2003-10-09 Created: 2003-10-09Bibliographically approved
5. Nonlinear self-interaction of gravitational waves
Open this publication in new window or tab >>Nonlinear self-interaction of gravitational waves
Show others...
2003 In: Physical review D, Vol. 67, 087501- p.Article in journal (Refereed) Published
Identifiers
urn:nbn:se:umu:diva-2462 (URN)
Available from: 2003-10-09 Created: 2003-10-09Bibliographically approved
6. Resonant interaction between gravitational waves, electromagnetic waves and plasma flows
Open this publication in new window or tab >>Resonant interaction between gravitational waves, electromagnetic waves and plasma flows
2003 In: Physical review D, Vol. 68, 044017- p.Article in journal (Refereed) Published
Identifiers
urn:nbn:se:umu:diva-2463 (URN)
Available from: 2003-10-09 Created: 2003-10-09Bibliographically approved

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Citation style
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  • Other locale
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Output format
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