Items where authors include "Ballai, I."
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Silva, S.S.A. orcid.org/0000-0001-5414-0197, Verth, G. orcid.org/0000-0002-9546-2368, Rempel, E.L. orcid.org/0000-0002-4971-5854 et al. (3 more authors) (2024) Magnetohydrodynamic Poynting flux vortices in the solar atmosphere and their role in concentrating energy. The Astrophysical Journal, 963 (1). 10. ISSN 0004-637X
Asiri, F., Ballai, I. orcid.org/0000-0002-3066-7653, Fedun, V. et al. (3 more authors) (2024) Slow body magnetohydrodynamic waves in solar photospheric flux tubes with density inhomogeneity. Monthly Notices of the Royal Astronomical Society, 529 (1). pp. 748-760. ISSN 0035-8711
McMurdo, M. orcid.org/0009-0001-1997-4361, Ballai, I. orcid.org/0000-0002-3066-7653, Verth, G. orcid.org/0000-0002-9546-2368 et al. (2 more authors) (2023) Phase mixing of propagating Alfvén waves in a single-fluid partially ionized solar plasma. The Astrophysical Journal, 958 (1). 81. ISSN 0004-637X
Kozak, L., Kronberg, E.A., Petrenko, B. et al. (4 more authors) (2023) Turbulent dipolarization regions in the Earth’s magnetotail: ion fluxes and magnetic field changes. Frontiers in Astronomy and Space Sciences, 10.
Albidah, A.B. orcid.org/0000-0001-7314-1347, Fedun, V. orcid.org/0000-0002-0893-7346, Aldhafeeri, A.A. orcid.org/0000-0003-2220-5042 et al. (8 more authors) (2023) The temporal and spatial evolution of magnetohydrodynamic wave modes in sunspots. The Astrophysical Journal, 954 (1). 30. ISSN 0004-637X
Cheremnykh, O., Fedorenko, A., Voitsekhovska, A. et al. (4 more authors) (2023) Atmospheric waves disturbances from the solar terminator according to the VLF radio stations data. Advances in Space Research. ISSN 0273-1177
Caspi, A. orcid.org/0000-0001-8702-8273, Seaton, D. orcid.org/0000-0002-0494-2025, Casini, R. orcid.org/0000-0001-6990-513X et al. (105 more authors) (2023) Magnetic energy powers the corona: how we can understand its 3D storage & release. Bulletin of the American Astronomical Society, 55 (3).
Silva, S.S.A. orcid.org/0000-0001-5414-0197, Lennard, M. orcid.org/0000-0002-1452-2577, Verth, G. orcid.org/0000-0002-9546-2368 et al. (9 more authors) (2023) Novel approach to forecasting photospheric emergence of active regions. The Astrophysical Journal Letters, 948 (2). L24. ISSN 2041-8205
Kontar, E. and Ballai, I. orcid.org/0000-0002-3066-7653 (2022) PREFACE: Recent progress in the physics of the Sun and heliosphere. Advances in Space Research. ISSN 0273-1177
Skirvin, S., Verth, G., González-Avilés, J.J. et al. (7 more authors) (2022) Small-scale solar jet formation and their associated waves and instabilities. Advances in Space Research. ISSN 0273-1177
Alharbi, A., Ballai, I. orcid.org/0000-0002-3066-7653, Fedun, V. orcid.org/0000-0002-0893-7346 et al. (1 more author) (2022) Waves in weakly ionized solar plasmas. Monthly Notices of the Royal Astronomical Society, 511 (4). pp. 5274-5286. ISSN 0035-8711
Aljohani, Y., Fedun, V. orcid.org/0000-0002-0893-7346, Ballai, I. orcid.org/0000-0002-3066-7653 et al. (3 more authors) (2022) New approach for analyzing dynamical processes on the surface of photospheric vortex tubes. The Astrophysical Journal, 928 (1). 3. ISSN 0004-637X
Albidah, A.B. orcid.org/0000-0001-7314-1347, Fedun, V. orcid.org/0000-0002-0893-7346, Aldhafeeri, A.A. et al. (7 more authors) (2022) Magnetohydrodynamic wave mode identification in circular and elliptical sunspot umbrae : evidence for high-order modes. The Astrophysical Journal, 927 (2). 201. ISSN 0004-637X
Silva, S.S.A., Murabito, M., Jafarzadeh, S. et al. (4 more authors) (2022) The importance of horizontal Poynting flux in the solar photosphere. The Astrophysical Journal, 927 (2). 146. ISSN 0004-637X
Petrenko, B., Kozak, L., Kronberg, E. et al. (1 more author) (2022) Approbation of wave dispersion analysis using multispacecraft methods. Bulletin of Taras Shevchenko National University of Kyiv. Astronomy (66). pp. 20-25. ISSN 1728-273X
Onishchenko, O., Fedun, V. orcid.org/0000-0002-0893-7346, Ballai, I. orcid.org/0000-0002-3066-7653 et al. (2 more authors) (2021) Generation of localised vertical streams in unstable stratified atmosphere. Fluids, 6 (12). 454. ISSN 2311-5521
Forgács-Dajka, E., Dobos, L. and Ballai, I. orcid.org/0000-0002-3066-7653 (2021) Time-dependent properties of sunspot groups. I. Lifetime and asymmetric evolution. Astronomy and Astrophysics, 653. A50. ISSN 0004-6361
Albidah, A.B., Brevis, W., Fedun, V. et al. (5 more authors) (2021) Proper orthogonal and dynamic mode decomposition of sunspot data. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 379 (2190). 20200181. ISSN 1364-503X
Alharbi, A., Ballai, I. orcid.org/0000-0002-3066-7653, Fedun, V. orcid.org/0000-0002-0893-7346 et al. (1 more author) (2020) Slow magnetoacoustic waves in gravitationally stratified two-fluid plasmas in strongly ionized limit. Monthly Notices of the Royal Astronomical Society, 501 (2). pp. 1940-1950. ISSN 0035-8711
Kryshtal, A., Voitsekhovska, A., Cheremnykh, O. et al. (3 more authors) (2020) Generation of low-frequency kinetic waves at the footpoints of pre-flare coronal loops. Solar Physics, 295 (12). 162. ISSN 0038-0938
Ballai, I. orcid.org/0000-0002-3066-7653 (2020) Diagnostics of plasma ionisation using torsional Alfén waves. Astronomy & Astrophysics, 635. L2. ISSN 0004-6361
Vickers, E., Ballai, I. orcid.org/0000-0002-3066-7653 and Erdélyi, R. (2020) Magnetic Rayleigh-Taylor instability at a contact discontinuity with an oblique magnetic field. Astronomy & Astrophysics, 634. A96. ISSN 0004-6361
Ballai, I. orcid.org/0000-0002-3066-7653 (2019) Linear Waves in Partially Ionized Plasmas in Ionization Non-equilibrium. Frontiers in Astronomy and Space Sciences, 6. 39. ISSN 2296-987X
Ruderman, M.S. orcid.org/0000-0003-2324-8466, Vickers, E., Ballai, I. orcid.org/0000-0002-3066-7653 et al. (1 more author) (2018) Propagation of leaky surface waves on contact magnetohydrodynamic discontinuities in incompressible plasmas. Physics of Plasmas, 25 (12). 122107. ISSN 1070-664X
Ballai, I. orcid.org/0000-0002-3066-7653, Forgacs-Dajka, E. and Marcu, A. (2018) Dispersive shock waves in partially ionised plasmas. Advances in Space Research. ISSN 0273-1177
Vickers, E., Ballai, I. and Erdélyi, R. (2018) Propagation of leaky MHD waves at discontinuities with tilted magnetic field. Solar Physics, 293. 139. ISSN 0038-0938
Mather, J.F., Ballai, I. and Erdelyi, R. (2018) Dissipative instabilities in a partially ionised prominence plasma slab: II. The effect of compressibility. Astronomy & Astrophysics, 610. A56. ISSN 2329-1273
Ruderman, M.S., Ballai, I., Khomenko, E. et al. (1 more author) (2018) Rayleigh-Taylor instabilities with sheared magnetic fields in partially ionised plasmas. Astronomy and Astrophysics, 609. A23. ISSN 1432-0746
Ballai, I., Pinter, B., Oliver, R. et al. (1 more author) (2017) Dissipative instability in a partially ionised prominence plasma slab. Astronomy & Astrophysics, 603. A78. ISSN 0004-6361
Gyenge, N., Ballai, I. and Baranyi, T. (2016) Statistical study of spatio-temporal distribution of precursor solar flares associated with major flares. Monthly Notices of the Royal Astronomical Society, 459 (4). pp. 3532-3539. ISSN 0035-8711
Ballai, I., Oliver, R. and Alexandrou, M. (2015) Dissipative instability in partially ionised prominence plasmas. Astronomy and Astrophysics, 577. UNSP A82. ISSN 0004-6361
Balazs, L. G., Gyenge, N., Korsos, M. B. et al. (3 more authors) (2014) Statistical relationship between the succeeding solar flares detected by the RHESSI satellite. Monthly Notices of the Royal Astronomical Society, 441 (2). pp. 1157-1165. ISSN 0035-8711
Murawski, K., Ballai, I., Srivastava, A. K. et al. (1 more author) (2013) Three-dimensional numerical simulation of magnetohydrodynamic-gravity waves and vortices in the solar atmosphere. Monthly Notices of the Royal Astronomical Society, 436 (2). pp. 1268-1277. ISSN 0035-8711
Pardi, A., Ballai, I. orcid.org/0000-0002-3066-7653, Marcu, A. et al. (1 more author) (2013) Sausage mode propagation in a thick magnetic flux tube. Solar Physics, 289 (4). pp. 1203-1214. ISSN 0038-0938
Ballai, I. and Orza, B. (2012) Transverse kink oscillations of expanding coronal loops. Astronomy and Astrophysics, 545. A118. ISSN 0004-6361
Orza, B., Ballai, I., Jain, R. orcid.org/0000-0002-0080-5445 et al. (1 more author) (2012) The effect of the environment on the P1/P2 period ratio for kink oscillations of coronal loops. Astronomy and Astrophysics, 537. A41. ISSN 0004-6361
Clack, C.T.M. and Ballai, I. (2009) Mean shear flows generated by nonlinear resonant Alfvén waves. Physics of Plasmas, 16 (7). Art. No. 072115. ISSN 1070-664X
Ballai, I. and Clack, C.T.C. (2009) Nonlinear resonant absorption of fast magnetoacoustic waves in strongly anisotropic and dispersive plasmas. Physics of Plasmas, 16 (4). Art. No. 042305. ISSN 1070-664X
Clack, C.T.C., Ballai, I. and Ruderman, M.S. (2009) On the validity of nonlinear Alfvén resonance in space plasmas. Astronomy & Astrophysics, 494 (1). pp. 317-327. ISSN 0004-6361
Ballai, I., Douglas, M. and Marcu, A. (2008) Forced oscillations of coronal loops driven by external EIT waves. Astronomy & Astrophysics, 488 (3). pp. 1125-1132. ISSN 0004-6361
Clack, C.T.C. and Ballai, I. (2008) Nonlinear theory of resonant slow waves in anisotropic and dispersive plasmas. Physics of Plasmas, 15 (8). Art. No. 082310. ISSN 1089-7674
Mocanu, G., Marcu, A., Ballai, I. et al. (1 more author) (2008) The problem of phase mixed Alfven waves in the solar corona revisited. Astronomische Nachrichten, 329 (8). p. 780. ISSN 0004-6337
Ballai, I. and Erdélyi, R. (2002) Nonlinear theory of resonant slow MHD waves in twisted magnetic flux tubes. Journal of Plasma Physics, 67 (2-3). pp. 79-97. ISSN 0022-3778
Ballai, I., Erdélyi, R. and Goossens, M. (2000) Nonlinear theory of non-axisymmetric resonant slow waves in straight magnetic flux tubes. Journal of Plasma Physics, 64 (5). pp. 579-599. ISSN 0022-3778
Ballai, I., Erdélyi, R. and Goossens, M. (2000) Linear and nonlinear resonant interaction of sound waves in dissipative layers. Journal of Plasma Physics, 64 (3). pp. 235-247. ISSN 0022-3778
Proceedings Paper
Cho, Y.-H. orcid.org/0000-0001-9035-4395, Lim, J., Kalra, A. et al. (11 more authors) (2019) Sheffield University Nova Rocket Innovative Design Engineering (SUNRIDE). In: Lübken, F.-J., (ed.) 24th ESA Symposium on European Rocket and Balloon Programmes and Related Research Proceedings. 24th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 16-20 Jun 2019, Essen, Germany. European Space Agency , Noordwijk, The Netherlands , pp. 122-127. ISBN 9789292213077
Ballai, I. and Douglas, M. (2007) Coronal global EIT waves as tools for multiple diagnostics. In: Erdelyi, R. and Mendoza-Briceno, C.A., (eds.) Waves & Oscillations in the Solar Atmosphere: Heating and Magneto-Seismology. IAU Symposium 247, September 17-22, 2007, Porlamar, Isla de Margarita, Venezuela. Proceedings of the International Astronomical Union, 3 (s247). Cambridge University Press , Cambridge , pp. 243-250. ISBN 978-0-52187-4694
Douglas, M. and Ballai, I. (2007) MHD waves at a spherical interface modelling coronal global EIT waves. In: Erdelyi, R. and Mendoza-Briceno, C.A., (eds.) Waves & Oscillations in the Solar Atmosphere: Heating and Magneto-Seismology. IAU Symposium 247, September 17-22, 2007, Porlamar, Isla de Margarita, Venezuela. Proceedings of the International Astronomical Union, 3 (s247). Cambridge University Press , Cambridge , pp. 251-254. ISBN 978-0-52187-4694
Marcu, A., Ballai, I. and Orza, B. (2007) Thermally damped linear compressional waves in a 2D solar coronal model. In: Erdelyi, R. and Mendoza-Briceno, C.A., (eds.) Waves & Oscillations in the Solar Atmosphere: Heating and Magneto-Seismology. IAU Symposium 247, September 17-22, 2007, Porlamar, Isla de Margarita, Venezuela. Proceedings of the International Astronomical Union, 3 (s247). Cambridge University Press , Cambridge , pp. 320-323. ISBN 978-0-52187-4694