Collisional damping of surface waves in the solar corona | Zendy

B. E. Gordon | Zendy; J. V. Hollweg | Zendy

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Collisional damping of surface waves in the solar corona

Author(s) -

B. E. Gordon,

J. V. Hollweg

Publication year - 1983

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/160785

Subject(s) - physics , corona (planetary geology) , nanoflares , coronal loop , thermal conduction , coronal hole , helmet streamer , coronal radiative losses , solar prominence , magnetic field , astrophysics , solar wind , mechanics , coronal mass ejection , computational physics , thermodynamics , quantum mechanics , astrobiology , venus

The damping of surface waves by viscosity and heat conduction is evaluated. For the solar corona, it is found that surface waves dissipate efficiently only if their periods are shorter than a few tens of seconds and only if the background magnetic field is less than about 10 Gauss. Heating of quiet coronal regions is possible if the coronal waves have short periods, but they cannot heat regions of strong magnetic field, such as coronal active region loops.

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