Acoustic Kappa-Density Fluctuation Waves in Suprathermal Kappa Function Fluids - AstrophysicsReportar como inadecuado




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Abstract: We describe a new wave mode similar to the acoustic wave in which bothdensity and velocity fluctuate. Unlike the acoustic wave in which theunderlying distribution is Maxwellian, this new wave mode occurs when theunderlying distribution is a suprathermal kappa function and involvesfluctuations in the power law index, kappa. This wave mode always propagatesfaster than the acoustic wave with an equivalent effective temperature andbecomes the acoustic wave in the Maxwellian limit as kappa goes to infinity.



Autor: Michael R. Collier, Aaron Roberts, Adolfo Vinas

Fuente: https://arxiv.org/







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