Magneto-gravity wave packet dynamics in strongly magnetised cores of evolved stars

25 Feb 2020 Loi Shyeh Tjing

Magnetic fields are believed to be generated in the cores of massive main sequence stars, and these may survive on to later stages of evolution. Observations of depressed dipole modes in red giant stars have been touted as evidence for these fields, but the predictions of existing magnetic theories have difficulty accommodating several aspects, including the need to return a fraction of wave energy from the core to the envelope, and the persistent gravity-like character of affected modes... (read more)

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