Langmuir dark solitons in dense ultrarelativistic electron-positron gravito-plasma in pulsar magnetosphere
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Date
2013
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© 2013 Springer
Abstract
Nonlinear propagation of electrostatic modes in ultrarelativistic dense elelectron-positron gravito-plasma at the polar cap region of pulsar magnetosphere is considered. A nonlinear Schrödinger equation is obtained from the reductive perturbation method which predicts the existence of Langmuir dark solitons. Relevance of the propagating dark solitons to the pulsar radio emission is discussed.
Description
This article was published in the Astrophysics and Space Science [© 2013 Springer Science+Business Media Dordrecht] and the definite version is available at : http://dx.doi.org/10.1007/s10509-013-1385-6 The Journal's website is at: http://link.springer.com/article/10.1007%2Fs10509-013-1385-6
Keywords
Electron-positron plasma, Langmuir solitons, Pulsar magnetosphere
Citation
Mofiz, U. A., & Amin, M. R. (2013). Langmuir dark solitons in dense ultrarelativistic electron-positron gravito-plasma in pulsar magnetosphere. Astrophysics and Space Science, 345(1), 119-124. doi:10.1007/s10509-013-1385-6