Supervisor’s research interests

• Kinetics of rotating plasma, energy cascades in turbulence in rotating plasma flows in kinetic description
• Development of multiscale solar activity models involving Rossby waves activity
• Development of advanced numerical tools in rotating plasma kinetics
• Particulate flows in plasma astrophysics and applications to planets originations.
• Computational physics and extremal computations
• Theoretical and numerical studies of turbulence and waves in rotating astrophysical plasma flows and in planetary atmospheres

Research highlights

Our group is conducting studies on theoretical aspects of astrophysical and planetary fluid dynamics, and using supercomputer technologies in solving problems of plasma astrophysics and planetary physics.

The work involves close collaboration with scientists from Hugh Altitude Observatory in National Center of Atmospheric Research (Boulder, Colorado), Max Planck Institute for Solar System Research (Göttingen, Germany), Max Planck Institute for Astronomy (Heidelberg, Germany).

Main publications

• A. A. Chernyshov, K. V. Karelsky, A. S. Petrosyan, Three-dimensional modeling of compressible magnetohydrodynamic turbulence in the local interstellar medium, Astrophysical Journal, Vol. 686, pp.1137 (2008)
• A. Petrosyan et al., Turbulence in the Solar Atmosphere and Solar Wind, Space Sci. Rev., 156: 135-238 (2010)
• A. Petrosyan et al., The Martian Atmospheric Boundary Layer, Reviews of Geophysics, 49, RG3005/2011
• A.A. Chernyshov, K.V. Karelsky, A.S. Petrosyan, Subgrid-scale modeling for the study of compressible magnetohydrodynamic turbulence in space plasmas, Phys. Usp., 57, 421–452 (2014)
• Miesch, M., Petrosyan, A. et al., Large-Eddy Simulations of Magnetohydrodynamic Turbulence in Heliophysics and Astrophysics, Space Sci. Rev. 194: 97 (2015)
• Klimachkov D.A., Petrosyan A.S., Parametric Instabilities in Shallow Water Magnetohydrodynamics of Astrophysical Plasma in External Magnetic Field, Phys. Lett. A, 381, p.106 (2017)
• Petrosyan A. et al., Shallow Water Magnetohydrodynamics in Plasma Astrophysics. Waves, Turbulence, and Zonal Flows, Atmosphere 11(4), 314 (2020)
• T. V. Galstyan, D. A. Koshkina, D. A. Klimachkov, A. S. Petrosyan. A Theory of Large-Scale Flows of Rotating Partially Ionized Space and Astrophysical Plasma in the Approximation of Hall Magnetohydrodynamics // Plasma Physics Reports. 2024. Vol. 50, Iss. 9. P. 1164 –– 1178.
• M. A. Yudenkova, D. A. Klimachkov, A. S. Petrosyan. Large-Scale Hydrodynamic Flows in Media with Variable Thermodynamic Characteristics // Plasma Physics Reports. 2024. Vol. 50, Iss. 6. P. 724 –– 741
• Kylivnyk, Y., Petrosyan, A.S., Fedorova, A.A. et al. One-Dimensional Model of Vertical Transport of Chemical Components in the Mars Atmosphere up to the Lower Thermosphere // Sol Syst Res. 2024. Vol. 58. P. 187–– 195.
• Fedotova M. A., Klimachkov D. A., Petrosyan A. S. Wave processes in plasma astrophysics // Plasma Physics Reports. 2023. Vol. 49, Iss. 3. P. 303—350.
• Fedotova M., Klimachkov D., Petrosyan A. Resonant interactions of magneto-Poincare and magneto-Rossby waves in quasi-two-dimensional rotating astrophysical plasma // Monthly Notices of the Royal Astronomical Society. 2022. Vol. 509, Iss. 1. P. 314—326.
• Karelsky K. V., Petrosyan A. S. Formation and classification of jumps andsolitary shock waves in isentropic flows of polytropic continuous media // JETP Letters. 2022. Vol. 116, Iss. 2. P. 90—97.
• Yudenkova M. A., Klimachkov D. A., Petrosyan A.S. Poincare waves and Rossby waves in compressible shallow water flows // Journal of Experimental and Theoretical Physics. 2022. Vol. 134, Is. 3. P. 327—333.
• Fedotova M., Klimachkov D., Petrosyan A. Variable Density Flows in Rotating Astrophysical Plasma. Linear Waves and Resonant Phenomena // Universe. 2021. Vol. 7, Iss. 4. Art. 87.
• Fedotova M. A., Petrosyan A. S. Wave Processes in Rotating Compressible Astrophysical Plasma Flows with Stable Stratification // Journal of Experimental and Theoretical Physics. 2020. Vol. 131, Iss. 6. P. 1032—1055.
• Fedotova M. A., Petrosyan A. S. Wave Processes in Three-Dimensional Stratified Flows of a Rotating Plasma in the Boussinesq Approximation // Journal of Experimental and Theoretical Physics. 2020. Vol. 131, Iss. 2. P. 337—355.
• Petrosyan A., Klimachkov D., Fedotova M., Zinyakov T. Shallow Water Magnetohydrodynamics in Plasma Astrophysics. Waves, Turbulence, and Zonal Flows // Atmosphere. 2020. Vol. 11, Iss. 4. Art. 314.
• Fedotova M. A., Klimachkov D. A., Petrosyan A. S. The Shallow-Water Magnetohydrodynamic Theory of Stratified Rotating Astrophysical Plasma Flows: Beta-Plane Approximation and Magnetic Rossby Waves // Plasma Physics Reports. 2020. Vol. 46, Iss. 1. P. 50—64.