Kinetic treatment of gravitational-Coulomb coupling in the Jeans model

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The conventional Jeans model is modified by the addition of electric charging. The standard procedure of kinetic treatment results in a dispersion relation which describes both the Jeans instability and Langmuir oscillations, with the analog of Landau damping. Coulomb interactions tend to stabilize the Jeans instability diminishing the growth rate whereas the gravitational field tends to destabilize Langmuir oscillations. Collisions between particles are taken into account.

Original languageEnglish
Pages (from-to)515-518
Number of pages4
JournalJournal of Plasma Physics
Issue number4
StatePublished - Aug 2008


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