Resonant absorption of internal gravity waves in stellar atmospheres

Details Resonant absorption of internal gravity waves in stellar atmospheres Resonant absorption of internal gravity waves in stellar atmospheres

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.141...65z&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 141, no. 1, Feb. 1988, p. 65-74.

Astronomy and Astrophysics

Astrophysics

5

Gravity Waves, Resonance, Stellar Atmospheres, Wave Attenuation, Magnetic Effects, Magnetohydrodynamic Waves, Stellar Magnetic Fields, Wave Propagation

Scientific paper

An equation describing wave propagation in an incompressible medium of finite conductivity with a uniform tilted magnetic field has been derived. It is shown that magneto-gravity waves are absorbed in the vicinity of the cusp resonant level if the angle of inclination of the magnetic field is smaller than the critical one and are transformed into nondamping Alfvén p-waves if the angle of inclination of the magnetic field is larger than the critical one. An evaluation of the critical angle is given on the basis of simple physics.

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