Prof Paul Cally

Research Overview

Magnetohydrodynamic waves and instabilities; solar physics; helioseismology; MHD mode conversion; analytic and numerical solution techniques; applied mathematics; solar activity; solar and stellar dynamos. President, International Astronomical Union Commission E2 “Solar Activity”.

Selected Publications

[1] Raboonik, Abbas ; Cally, Paul S. "Hall-coupling of Slow and Alfvén Waves at Low Frequencies in the Lower Solar Atmosphere". In: Solar Physics. 2019 ; Vol. 294, No. 10. https://doi.org/10.1007/s11207-019-1544-1

[2] Pennicott, Jamon D. ; Cally, Paul S. "Smoothing of MHD Shocks in Mode Conversion". In: The Astrophysical Journal Letters. 2019 ; Vol. 881, No. 1. pp. 1-6. https://doi.org/10.3847/2041-8213/ab3423

[3] Cally, Paul S. ; Khomenko, Elena. "Fast-to-Alfvén Mode Conversion and Ambipolar Heating in Structured Media. I. Simplified Cold Plasma Model". In: The Astrophysical Journal. 2019 ; Vol. 885, No. 1. pp. 1-17. https://doi.org/10.3847/1538-4357/ab3bce

[4] Khomenko, Elena ; Cally, Paul S. "Fast-to-Alfvén Mode Conversion and Ambipolar Heating in Structured Media. II. Numerical Simulation". In: The Astrophysical Journal. 2019 ; Vol. 883, No. 2. pp. 1-20. https://doi.org/10.3847/1538-4357/ab3d28

[5] Cally, Paul S. ; Xiong, Ming. "Sensitivity of coronal loop sausage mode frequencies and decay rates to radial and longitudinal density inhomogeneities : A spectral approach". In: Journal of Physics A: Mathematical and Theoretical. 2018 ; Vol. 51, No. 2. https://doi.org/10.1088/1751-8121/aa9755