Abstract
Generalised ray theory provides a simple description of MHD mode transmission and conversion between magnetoacoustic fast and slow waves and is directly applicable to solar active regions. Here it is tested in a simple two-dimensional, isothermal, gravitationally stratified model with inclined magnetic field using previously published exact solutions and found to perform very well.
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Hansen, S.C., Cally, P.S. An Exact Test of Generalised Ray Theory in Local Helioseismology. Sol Phys 255, 193–202 (2009). https://doi.org/10.1007/s11207-009-9320-2
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DOI: https://doi.org/10.1007/s11207-009-9320-2