On Internal Gravity Waves in Low-mass Stars

Details On Internal Gravity Waves in Low-mass Stars On Internal Gravity Waves in Low-mass Stars

Nov 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..948...15c&link_type=abstract

UNSOLVED PROBLEMS IN STELLAR PHYSICS: A Conference in Honor of Douglas Gough. AIP Conference Proceedings, Volume 948, pp. 15-26

Physics

4

Acoustic Gravity Waves, Tides, And Compressional Waves, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

The Sun's rotation profile and the lithium content of solar-type stars have long been challenging to stellar evolution. Classical hydrodynamical stellar models predict that the solar interior must rotate highly differentially, and produce over-destruction of lithium, in disagreement with asteroseismic and spectroscopic observations. The introduction of internal gravity waves (hereafter IGWs) in modern and sophisticated stellar models has recently solved these long-standing problems. Here we recall the main characteristics of these waves. We discuss the physics of wave generation and filtering as well as the existence of the so-called shear layer oscillation (SLO).

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