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Nonlinear interacti...
Nonlinear interactions between gravitational radiation and modified Alfvén modes in astrophysical dusty plasmas
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- Forsberg, Mats, 1978- (författare)
- Umeå universitet,Institutionen för fysik
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- Brodin, Gert, 1963- (författare)
- Umeå universitet,Institutionen för fysik
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- Marklund, Mattias, 1970- (författare)
- Umeå universitet,Institutionen för fysik
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- Shukla, Padma K. (författare)
- Institut für Theoretische Physik IV and Centre for Plasma Science and Astrophysics, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
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- Moortgat, J. (författare)
- Department of Physics and Astronomy, University of Rochester, Bausch & Lomb Hall, P.O. Box 270171, 600 Wilson Boulevard, Rochester, New York 14627-0171, USA
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(creator_code:org_t)
- American Physical Society, 2006
- 2006
- Engelska.
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Ingår i: Physical Review D. Particles and fields. - : American Physical Society. - 0556-2821 .- 1089-4918. ; 74, s. 064014-064014-5
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We present an investigation of nonlinear interactions between gravitational radiation and modified Alfvén modes in astrophysical dusty plasmas. Assuming that stationary charged dust grains form neutralizing background in an electron-ion-dust plasma, we obtain the three-wave coupling coefficients and calculate the growth rates for parametrically coupled gravitational radiation and modified Alfvén-Rao modes. The threshold value of the gravitational wave amplitude associated with convective stabilization is particularly small if the gravitational frequency is close to twice the modified Alfvén wave frequency. The implication of our results to astrophysical dusty plasmas is discussed.
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