Harmonic generation of gravitational wave induced Alfven waves
2008 (English)In: Physical Review D. Particles and fields, ISSN 0556-2821, E-ISSN 1089-4918, Vol. 77, no 2, 024050-024050-6 p.Article in journal (Refereed) Published
Here we consider the nonlinear evolution of Alfvén waves that have been excited by gravitational waves from merging binary pulsars. We derive a wave equation for strongly nonlinear and dispersive Alfvén waves. Because of the weak dispersion of the Alfvén waves, significant wave steepening can occur, which in turn implies strong harmonic generation. We find that the harmonic generation is saturated due to dispersive effects, and use this to estimate the resulting spectrum. Finally we discuss the possibility of observing the above process.
Place, publisher, year, edition, pages
American Physical Society , 2008. Vol. 77, no 2, 024050-024050-6 p.
IdentifiersURN: urn:nbn:se:umu:diva-10375DOI: 10.1103/PhysRevD.77.024050OAI: oai:DiVA.org:umu-10375DiVA: diva2:150046