Possible ion-acoustic soliton formation in the ionospheric perturbations observed on DEMETER before the 2007 Pu＇er earthquake-中国期刊网

摘要 ThedataofionosphericperturbationsobservedonDEMETERbeforethe2007Pu'erearthquakeareanalyzed.Thethree-componentplasma(ions,electronsandheavyions)isstudiedinthefluidconcept.Thelineardispersionrelationforion-acousticwaveisfoundinthepresenceofheavyions.Thenonlineardynamicsisstudiedforarbitraryamplitudeofthewave.TheSagdeevpotentialiscalculated,whichshowsthatsolitarystructureexistsforMachnumberwithinarangedefinedbythepresenceofheavyions.Thedevelopedion-acousticsolitonsmaybeusedasprecursorforearthquakeprediction.

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Possible ion-acoustic soliton formation in the ionospheric perturbations observed on DEMETER before the 2007 Pu＇er earthquake

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Possible ion-acoustic soliton formation in the ionospheric perturbations observed on DEMETER before the 2007 Pu＇er earthquake

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