期刊
EUROPEAN PHYSICAL JOURNAL D
卷 30, 期 1, 页码 97-103出版社
SPRINGER
DOI: 10.1140/epjd/e2004-00068-4
关键词
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An analytical model is presented for the description of nonlinear dust-ion-acoustic waves propagating in an unmagnetized, collisionless, three component plasma composed of electrons, ions and inertial dust grains. The formulation relies on a Lagrangian approach of the plasma fluid model. The modulational stability of the wave amplitude is investigated. Different types of localized envelope electrostatic excitations are shown to exist.
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