Breaking dust-Alfvénic Mach barriers at Saturn

P. K. Shukla, A. A. Mamun, R. Bingham

Research output: Contribution to journalArticlepeer-review


A theoretical prediction for the formation of dust-Alfvénic Mach cones in Saturn's rings is made. It is explicitly shown that for typical dusty plasma parameters corresponding to Saturn's dense rings, Mach cones are only formed by dust-Alfvén waves which are found to be more prominent than any other longitudinal waves (e.g., dust-acoustic waves). The dust-Alfvénic Mach cones that we have reported here are expected to be observed in Saturn's rings by CASSINI, arriving at Saturn in 2004.
Original languageEnglish
Pages (from-to)293-294
Number of pages2
JournalPhysica Scripta
Issue number4
Publication statusPublished - Oct 2003


  • Saturn
  • magnetohydrodynamic waves
  • rings
  • dust
  • acoustic wave propagation
  • astrophysics
  • magnetoacoustic effects
  • plasma density


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