Publications of Petri J. Kapyla ordered by citations

A list of publications authored or co-authored by Petri J. Kapyla, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations. Publications above the horizontal line count towards the h-index.

Orcid ID: 0000-0001-9619-0053

161	Cyclic Magnetic Activity due to Turbulent Convection in Spherical Wedge Geometry Käpylä, Petri J., Mantere, Maarit J. & Brandenburg, Axel, 2012, ApJ, 755, L22
141	Magnetic Diffusivity Tensor and Dynamo Effects in Rotating and Shearing Turbulence Brandenburg, A., Rädler, K. -H., Rheinhardt, M. & Käpylä, P. J., 2008, ApJ, 676, 740
136	The Pencil Code, a modular MPI code for partial differential equations and particles: multipurpose and multiuser-maintained Pencil Code Collaboration, Brandenburg, Axel, Johansen, Anders, Bourdin, Philippe, Dobler, Wolfgang, Lyra, Wladimir, Rheinhardt, Matthias, Bingert, Sven, Haugen, Nils, Mee, Antony, Gent, Frederick, Babkovskaia, Natalia, Yang, Chao-Chin, Heinemann, Tobias, Dintrans, Boris, Mitra, Dhrubaditya, Candelaresi, Simon, Warnecke, Jörn, Käpylä, Petri, Schreiber, Andreas, Chatterjee, Piyali, Käpylä, Maarit, Li, Xiang-Yu, Krüger, Jonas, Aarnes, Jørgen, Sarson, Graeme, Oishi, Jeffrey, Schober, Jennifer, Plasson, Raphaël, Sandin, Christer, Karchniwy, Ewa, Rodrigues, Luiz, Hubbard, Alexander, Guerrero, Gustavo, Snodin, Andrew, Losada, Illa, Pekkilä, Johannes & Qian, Chengeng, 2021, The Journal of Open Source Software, 6, 2807
121	Magnetism, rotation, and nonthermal emission in cool stars. Average magnetic field measurements in 292 M dwarfs Reiners, A., Shulyak, D., Käpylä, P. J., Ribas, I., Nagel, E., Zechmeister, M., Caballero, J. A., Shan, Y., Fuhrmeister, B., Quirrenbach, A., Amado, P. J., Montes, D., Jeffers, S. V., Azzaro, M., Béjar, V. J. S., Chaturvedi, P., Henning, Th., Kürster, M. & Pallé, E., 2022, A&A, 662, A41
114	Large-scale dynamos in turbulent convection with shear Käpylä, P. J., Korpi, M. J. & Brandenburg, A., 2008, A&A, 491, 353
103	A solar mean field dynamo benchmark Jouve, L., Brun, A. S., Arlt, R., Brandenburg, A., Dikpati, M., Bonanno, A., Käpylä, P. J., Moss, D., Rempel, M., Gilman, P., Korpi, M. J. & Kosovichev, A. G., 2008, A&A, 483, 949
99	Magnetically controlled stellar differential rotation near the transition from solar to anti-solar profiles Karak, B. B., Käpylä, P. J., Käpylä, M. J., Brandenburg, A., Olspert, N. & Pelt, J., 2015, A&A, 576, A26
93	Effects of Enhanced Stratification on Equatorward Dynamo Wave Propagation Käpylä, Petri J., Mantere, Maarit J., Cole, Elizabeth, Warnecke, Jörn & Brandenburg, Axel, 2013, ApJ, 778, 41
85	Confirmation of bistable stellar differential rotation profiles Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., 2014, A&A, 570, A43
85	Non-Fickian diffusion and tau approximation from numerical turbulence Brandenburg, Axel, Käpylä, Petri J. & Mohammed, Amjed, 2004, Physics of Fluids, 16, 1020
82	Reynolds stress and heat flux in spherical shell convection Käpylä, P. J., Mantere, M. J., Guerrero, G., Brandenburg, A. & Chatterjee, P., 2011, A&A, 531, A162
82	Alpha effect and turbulent diffusion from convection Käpylä, P. J., Korpi, M. J. & Brandenburg, A., 2009, A&A, 500, 633
79	Convective dynamos in spherical wedge geometry Käpylä, P. J., Korpi, M. J., Brandenburg, A., Mitra, D. & Tavakol, R., 2010, Astronomische Nachrichten, 331, 73
77	Multiple dynamo modes as a mechanism for long-term solar activity variations Käpylä, M. J., Käpylä, P. J., Olspert, N., Brandenburg, A., Warnecke, J., Karak, B. B. & Pelt, J., 2016, A&A, 589, A56
73	Turbulent transport coefficients in spherical wedge dynamo simulations of solar-like stars Warnecke, J., Rheinhardt, M., Tuomisto, S., Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., 2018, A&A, 609, A51
66	Transition from axi- to nonaxisymmetric dynamo modes in spherical convection models of solar-like stars Viviani, M., Warnecke, J., Käpylä, M. J., Käpylä, P. J., Olspert, N., Cole-Kodikara, E. M., Lehtinen, J. J. & Brandenburg, A., 2018, A&A, 616, A160
66	Magnetoconvection and dynamo coefficients. III. α-effect and magnetic pumping in the rapid rotation regime Käpylä, P. J., Korpi, M. J., Ossendrijver, M. & Stix, M., 2006, A&A, 455, 401
62	Local models of stellar convection:. Reynolds stresses and turbulent heat transport Käpylä, P. J., Korpi, M. J. & Tuominen, I., 2004, A&A, 422, 793
55	Solar dynamo models with α-effect and turbulent pumping from local 3D convection calculations Käpylä, P. J., Korpi, M. J. & Tuominen, I., 2006, Astronomische Nachrichten, 327, 884
54	Extended Subadiabatic Layer in Simulations of Overshooting Convection Käpylä, Petri J., Rheinhardt, Matthias, Brandenburg, Axel, Arlt, Rainer, Käpylä, Maarit J., Lagg, Andreas, Olspert, Nigul & Warnecke, Jörn, 2017, ApJ, 845, L23
52	Oscillatory Migrating Magnetic Fields in Helical Turbulence in Spherical Domains Mitra, Dhrubaditya, Tavakol, Reza, Käpylä, Petri J. & Brandenburg, Axel, 2010, ApJ, 719, L1
50	On The Cause of Solar-like Equatorward Migration in Global Convective Dynamo Simulations Warnecke, Jörn, Käpylä, Petri J., Käpylä, Maarit J. & Brandenburg, Axel, 2014, ApJ, 796, L12
49	Turbulent Dynamos with Shear and Fractional Helicity Käpylä, Petri J. & Brandenburg, Axel, 2009, ApJ, 699, 1059
49	Magnetorotational instability driven dynamos at low magnetic Prandtl numbers Käpylä, P. J. & Korpi, M. J., 2011, MNRAS, 413, 901
47	Large-scale Dynamos in Rigidly Rotating Turbulent Convection Käpylä, Petri J., Korpi, Maarit J. & Brandenburg, Axel, 2009, ApJ, 697, 1153
45	Convection-driven spherical shell dynamos at varying Prandtl numbers Käpylä, P. J., Käpylä, M. J., Olspert, N., Warnecke, J. & Brandenburg, A., 2017, A&A, 599, A4
44	Spoke-like Differential Rotation in a Convective Dynamo with a Coronal Envelope Warnecke, Jörn, Käpylä, Petri J., Mantere, Maarit J. & Brandenburg, Axel, 2013, ApJ, 778, 141
43	Starspots due to Large-scale Vortices in Rotating Turbulent Convection Käpylä, Petri J., Mantere, Maarit J. & Hackman, Thomas, 2011, ApJ, 742, 34
39	Effects of stratification in spherical shell convection Käpylä, P. J., Mantere, M. J. & Brandenburg, A., 2011, Astronomische Nachrichten, 332, 883
39	Common dynamo scaling in slowly rotating young and evolved stars Lehtinen, Jyri J., Spada, Federico, Käpylä, Maarit J., Olspert, Nigul & Käpylä, Petri J., 2020, Nature Astronomy, 4, 658
38	Quenching and Anisotropy of Hydromagnetic Turbulent Transport Karak, Bidya Binay, Rheinhardt, Matthias, Brandenburg, Axel, Käpylä, Petri J. & Käpylä, Maarit J., 2014, ApJ, 795, 16
37	Overshooting in simulations of compressible convection Käpylä, P. J., 2019, A&A, 631, A122
37	Alpha effect and diffusivity in helical turbulence with shear Mitra, D., Käpylä, P. J., Tavakol, R. & Brandenburg, A., 2009, A&A, 495, 1
36	Negative effective magnetic pressure in turbulent convection Käpylä, P. J., Brandenburg, A., Kleeorin, N., Mantere, M. J. & Rogachevskii, I., 2012, MNRAS, 422, 2465
36	Influence of a coronal envelope as a free boundary to global convective dynamo simulations Warnecke, J., Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., 2016, A&A, 596, A115
35	Dynamo action and magnetic buoyancy in convection simulations with vertical shear Guerrero, G. & Käpylä, P. J., 2011, A&A, 533, A40
33	An Azimuthal Dynamo Wave in Spherical Shell Convection Cole, Elizabeth, Käpylä, Petri J., Mantere, Maarit J. & Brandenburg, Axel, 2014, ApJ, 780, L22
30	Star-in-a-box simulations of fully convective stars Käpylä, P. J., 2021, A&A, 651, A66
28	Numerical study of large-scale vorticity generation in shear-flow turbulence Käpylä, Petri J., Mitra, Dhrubaditya & Brandenburg, Axel, 2009, Physical Review E, 79, 016302
28	Magnetic helicity effects in astrophysical and laboratory dynamos Brandenburg, A. & Käpylä, P. J., 2007, New Journal of Physics, 9, 305
28	The α effect with imposed and dynamo-generated magnetic fields Hubbard, A., Del Sordo, F., Käpylä, P. J. & Brandenburg, A., 2009, MNRAS, 398, 1891
27	Magnetic flux concentrations from turbulent stratified convection Käpylä, P. J., Brandenburg, A., Kleeorin, N., Käpylä, M. J. & Rogachevskii, I., 2016, A&A, 588, A150
27	Simulations of Solar and Stellar Dynamos and Their Theoretical Interpretation Käpylä, Petri J., Browning, Matthew K., Brun, Allan Sacha, Guerrero, Gustavo & Warnecke, Jörn, 2023, Space Science Reviews, 219, 58
26	Stellar Dynamos in the Transition Regime: Multiple Dynamo Modes and Antisolar Differential Rotation Viviani, M., Käpylä, M. J., Warnecke, J., Käpylä, P. J. & Rheinhardt, M., 2019, ApJ, 886, 21
26	Effects of a subadiabatic layer on convection and dynamos in spherical wedge simulations Käpylä, P. J., Viviani, M., Käpylä, M. J., Brandenburg, A. & Spada, F., 2019, Geophysical and Astrophysical Fluid Dynamics, 113, 149
26	Pumping velocity in homogeneous helical turbulence with shear Rogachevskii, Igor, Kleeorin, Nathan, Käpylä, Petri J. & Brandenburg, Axel, 2011, Physical Review E, 84, 056314
25	Open and closed boundaries in large-scale convective dynamos Käpylä, P. J., Korpi, M. J. & Brandenburg, A., 2010, A&A, 518, A22
25	Ejections of Magnetic Structures Above a Spherical Wedge Driven by a Convective Dynamo with Differential Rotation Warnecke, Jörn, Käpylä, Petri J., Mantere, Maarit J. & Brandenburg, Axel, 2012, Solar Physics, 280, 299
24	The α effect in rotating convection with sinusoidal shear Käpylä, P. J., Korpi, M. J. & Brandenburg, A., 2010, MNRAS, 402, 1458
23	Bihelical Spectrum of Solar Magnetic Helicity and Its Evolution Singh, Nishant K., Käpylä, Maarit J., Brandenburg, Axel, Käpylä, Petri J., Lagg, Andreas & Virtanen, Ilpo, 2018, ApJ, 863, 182
23	3D MHD simulations of subsurface convection in OB stars Cantiello, Matteo, Braithwaite, Jonathan, Brandenburg, Axel, Del Sordo, Fabio, Käpylä, Petri & Langer, Norbert, 2011, Active OB Stars: Structure, Evolution, Mass Loss, and Critical Limits (Editors: Neiner, Coralie, Wade, Gregg, Meynet, Georges & Peters, Geraldine), IAU Symposium, 272, p. 32
22	Lambda effect from forced turbulence simulations Käpylä, P. J. & Brandenburg, A., 2008, A&A, 488, 9
21	Oscillatory large-scale dynamos from Cartesian convection simulations Käpylä, P. J., Mantere, M. J. & Brandenburg, A., 2013, Geophysical and Astrophysical Fluid Dynamics, 107, 244
21	Reynolds stresses from hydrodynamic turbulence with shear and rotation Snellman, J. E., Käpylä, P. J., Korpi, M. J. & Liljeström, A. J., 2009, A&A, 505, 955
20	Local models of stellar convection. II. Rotation dependence of the mixing length relations Käpylä, P. J., Korpi, M. J., Stix, M. & Tuominen, I., 2005, A&A, 438, 403
19	Dependence of the large-scale vortex instability on latitude, stratification, and domain size Mantere, M. J., Käpylä, P. J. & Hackman, T., 2011, Astronomische Nachrichten, 332, 876
19	New Scaling for the Alpha Effect in Slowly Rotating Turbulence Brandenburg, A., Gressel, O., Käpylä, P. J., Kleeorin, N., Mantere, M. J. & Rogachevskii, I., 2013, ApJ, 762, 127
18	The problem of small and large scale fields in the solar dynamo Brandenburg, A., Haugen, N. E. L., Käpylä, P. J. & Sandin, C., 2005, Astronomische Nachrichten, 326, 174
18	Turbulent viscosity and magnetic Prandtl number from simulations of isotropically forced turbulence Käpylä, P. J., Rheinhardt, M., Brandenburg, A. & Käpylä, M. J., 2020, A&A, 636, A93
17	Transition from anti-solar to solar-like differential rotation: Dependence on Prandtl number Käpylä, P. J., 2023, A&A, 669, A98
17	Magnetic and rotational quenching of the Λ effect Käpylä, P. J., 2019, A&A, 622, A195
16	Large-scale dynamos in rapidly rotating plane layer convection Bushby, P. J., Käpylä, P. J., Masada, Y., Brandenburg, A., Favier, B., Guervilly, C. & Käpylä, M. J., 2018, A&A, 612, A97
16	Turbulent stresses as a function of shear rate in a local disk model Liljeström, A. J., Korpi, M. J., Käpylä, P. J., Brandenburg, A. & Lyra, W., 2009, Astronomische Nachrichten, 330, 92
15	On global solar dynamo simulations Käpylä, P. J., 2011, Astronomische Nachrichten, 332, 43
15	Small‑scale dynamos in simulations of stratified turbulent convection Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., 2018, Astronomische Nachrichten, 339, 127
15	The Pencil Code, a modular MPI code for partial differential equations and particles: multipurpose and multiuser-maintained Collaboration, The, Brandenburg, Axel, Johansen, Anders, Bourdin, Philippe, Dobler, Wolfgang, Lyra, Wladimir, Rheinhardt, Matthias, Bingert, Sven, Haugen, Nils, Mee, Antony, Gent, Frederick, Babkovskaia, Natalia, Yang, Chao-Chin, Heinemann, Tobias, Dintrans, Boris, Mitra, Dhrubaditya, Candelaresi, Simon, Warnecke, Jörn, Käpylä, Petri, Schreiber, Andreas, Chatterjee, Piyali, Käpylä, Maarit, Li, Xiang-Yu, Krüger, Jonas, Aarnes, Jørgen, Sarson, Graeme, Oishi, Jeffrey, Schober, Jennifer, Plasson, Raphaël, Sandin, Christer, Karchniwy, Ewa, Rodrigues, Luiz, Hubbard, Alexander, Guerrero, Gustavo, Snodin, Andrew, Losada, Illa, Pekkilä, Johannes & Qian, Chengeng, 2021, The Journal of Open Source Software, 6, 2807
14	Influence of Ohmic diffusion on the excitation and dynamics of MRI Korpi, M. J., Käpylä, P. J. & Väisälä, M. S., 2010, Astronomische Nachrichten, 331, 34
14	Prandtl number dependence of stellar convection: Flow statistics and convective energy transport Käpylä, P. J., 2021, A&A, 655, A78
13	Turbulent transport in hydromagnetic flows Brandenburg, A., Chatterjee, P., Del Sordo, F., Hubbard, A., Käpylä, P. J. & Rheinhardt, M., 2010, Physica Scripta Volume T, 142, 014028
11	Angular Momentum Transport in Convectively Unstable Shear Flows Käpylä, Petri J., Brandenburg, Axel, Korpi, Maarit J., Snellman, Jan E. & Narayan, Ramesh, 2010, ApJ, 719, 67
10	Solar-like Dynamos and Rotational Scaling of Cycles from Star-in-a-box Simulations Käpylä, Petri J., 2022, ApJ, 931, L17
10	f-mode strengthening from a localised bipolar subsurface magnetic field Singh, Nishant K., Raichur, Harsha, Käpylä, Maarit J., Rheinhardt, Matthias, Brandenburg, Axel & Käpylä, Petri J., 2020, Geophysical and Astrophysical Fluid Dynamics, 114, 196
10	Robustness of oscillatory α2 dynamos in spherical wedges Cole, E., Brandenburg, A., Käpylä, P. J. & Käpylä, M. J., 2016, A&A, 593, A134
10	The helicity constraint in spherical shell dynamos Brandenburg, A., Käpylä, P. J., Mitra, D., Moss, D. & Tavakol, R., 2007, Astronomische Nachrichten, 328, 1118
9	Convective scale and subadiabatic layers in simulations of rotating compressible convection Käpylä, P. J., 2024, A&A, 683, A221
8	Effects of rotation and input energy flux on convective overshooting Käpylä, Petri J., Korpi, M. J., Stix, M. & Tuominen, I., 2007, Convection in Astrophysics (Editors: Kupka, Friedrich, Roxburgh, Ian & Chan, Kwing Lam), IAU Symposium, 239, p. 437
7	Quantifying the effect of turbulent magnetic diffusion on the growth rate of the magneto-rotational instability Väisälä, M. S., Brandenburg, A., Mitra, D., Käpylä, P. J. & Mantere, M. J., 2014, A&A, 567, A139
7	Reynolds stresses - dependence on latitude Hupfer, C., Käpylä, P. & Stix, M., 2005, Astronomische Nachrichten, 326, 223
7	Methods for compressible fluid simulation on GPUs using high-order finite differences Pekkilä, Johannes, Väisälä, Miikka S., Käpylä, Maarit J., Käpylä, Petri J. & Anjum, Omer, 2017, Computer Physics Communications, 217, 11
6	Local models of stellar convection. III. The Strouhal number Käpylä, P. J., Korpi, M. J., Ossendrijver, M. & Tuominen, I., 2006, A&A, 448, 433
6	Reynolds stresses and meridional circulation from rotating cylinder simulations Hupfer, C., Käpylä, P. J. & Stix, M., 2006, A&A, 459, 935
6	On Strengthening of the Solar f-Mode Prior to Active Region Emergence Using the Fourier-Hankel Analysis Waidele, M., Roth, M., Singh, N. K. & Käpylä, P. J., 2023, Solar Physics, 298, 30
6	Turbulent viscosity and Λ-effect from numerical turbulence models Käpylä, P. J. & Brandenburg, A., 2007, Astronomische Nachrichten, 328, 1006
5	Verification of Reynolds stress parameterizations from simulations Snellman, J. E., Brandenburg, A., Käpylä, P. J. & Mantere, M. J., 2012, Astronomische Nachrichten, 333, 78
5	Testing turbulent closure models with convection simulations Snellman, J. E., Käpylä, P. J., Käpylä, M. J. & Rheinhardt, M., Dintrans, B., 2015, Astronomische Nachrichten, 336, 32
5	Estimates of the Strouhal number from numerical models of convection Käpylä, P. J., Korpi, M. J., Ossendrijver, M. & Tuominen, I., 2005, Astronomische Nachrichten, 326, 186
5	Simulations of dynamo action in slowly rotating M dwarfs: Dependence on dimensionless parameters Ortiz-Rodríguez, C. A., Käpylä, P. J., Navarrete, F. H., Schleicher, D. R. G., Mennickent, R. E., Hidalgo, J. P. & Toro-Velásquez, B., 2023, A&A, 678, A82
5	Role of longitudinal activity complexes for solar and stellar dynamos Mantere, Maarit J., Käpylä, Petri J. & Pelt, Jaan, 2013, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 175
4	Mean-field closure parameters for passive scalar turbulence Snellman, J. E., Rheinhardt, M., Käpylä, P. J., Mantere, M. J. & Brandenburg, A., 2012, Physica Scripta, 86, 018406
4	Origin of eclipsing time variations in post-common-envelope binaries: Role of the centrifugal force Navarrete, Felipe H., Schleicher, Dominik R. G., Käpylä, Petri J., Ortiz-Rodríguez, Carolina A. & Banerjee, Robi, 2022, A&A, 667, A164
4	Origin of eclipsing time variations: Contributions of different modes of the dynamo-generated magnetic field Navarrete, Felipe H., Käpylä, Petri J., Schleicher, Dominik R. G., Ortiz, Carolina A. & Banerjee, Robi, 2022, A&A, 663, A90
4	Turbulence and magnetic spots at the surface of hot massive stars Cantiello, Matteo, Braithwaite, Jonathan, Brandenburg, Axel, Del Sordo, Fabio, Käpylä, Petri & Langer, Norbert, 2011, Physics of Sun and Star Spots (Editors: Prasad Choudhary, Debi & Strassmeier, Klaus G.), IAU Symposium, 273, p. 200
3	Helical coronal ejections and their role in the solar cycle Brandenburg, Axel, Sandin, Christer & Käpylä, Petri J., 2004, Multi-Wavelength Investigations of Solar Activity (Editors: Stepanov, Alexander V., Benevolenskaya, Elena E. & Kosovichev, Alexander G.), IAU Symposium, 223, p. 57
3	Solar-like differential rotation and equatorward migration in a convective dynamo with a coronal envelope Warnecke, J., Käpylä, P. J., Mantere, M. J. & Brandenburg, A., 2013, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 307
3	Flux concentrations in turbulent convection Käpylä, Petri J., Brandenburg, Axel, Kleeorin, Nathan, Mantere, Maarit J. & Rogachevskii, Igor, 2013, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 283
3	Reynolds number dependence of Lyapunov exponents of turbulence and fluid particles Fouxon, Itzhak, Feinberg, Joshua, Käpylä, Petri & Mond, Michael, 2021, Physical Review E, 103, 033110
2	From convective to stellar dynamos Brandenburg, Axel, Käpylä, Petri J. & Korpi, Maarit J., 2011, Astrophysical Dynamics: From Stars to Galaxies (Editors: Brummell, Nicholas H., Brun, A. Sacha, Miesch, Mark S. & Ponty, Yannick), IAU Symposium, 271, p. 279
2	Turbulent Prandtl number from isotropically forced turbulence Käpylä, Petri J. & Singh, Nishant K., 2022, Journal of Fluid Mechanics, 952, R1
1	Magnetohydrodynamic simulations of A-type stars: Long-term evolution of core dynamo cycles Hidalgo, J. P., Käpylä, P. J., Schleicher, D. R. G., Ortiz-Rodríguez, C. A. & Navarrete, F. H., 2024, A&A, 691, A326
1	Effects of rotation and surface forcing on deep stellar convection zones Käpylä, Petri J., 2024, IAU Symposium (Editors: Getling, Alexander V. & Kitchatinov, Leonid L.), IAU Symposium, 365, p. 5
1	Helicity Effect on Turbulent Passive and Active Scalar Diffusivities Brandenburg, Axel, Käpylä, Petri J., Rogachevskii, Igor & Yokoi, Nobumitsu, 2025, ApJ, 984, 88
1	Coronal ejections from convective spherical shell dynamos Warnecke, J., Käpylä, P. J., Mantere, M. J. & Brandenburg, A., 2012, Comparative Magnetic Minima: Characterizing Quiet Times in the Sun and Stars (Editors: Mandrini, Cristina H. & Webb, David F.), IAU Symposium, 286, p. 154
1	Connection between active longitudes and magnetic helicity Brandenburg, A. & Käpylä, P. J., 2005, astro-ph/0512639
0	Stellar nonlinear dynamos: observations and modelling Tuominen, Ilkka, Korpi, Maarit J., Käpylä, Petri J., Lindborg, Marjaana & Ilyin, Ilya, 2009, Cosmic Magnetic Fields: From Planets, to Stars and Galaxies (Editors: Strassmeier, Klaus G., Kosovichev, Alexander G. & Beckman, John E.), IAU Symposium, 259, p. 417
0	Oscillatory migratory large-scale fields in mean-field and direct simulations Mitra, Dhrubaditya, Tavakol, Reza, Brandenburg, Axel & Käpylä, Petri J., 2010, Solar and Stellar Variability: Impact on Earth and Planets (Editors: Kosovichev, Alexander G., Andrei, Alexandre H. & Rozelot, Jean-Pierre), IAU Symposium, 264, p. 197
0	Dynamo action and magnetic buoyancy in convection simulations with vertical shear Guerrero, G. & Käpylä, P., 2011, SDO-3: Solar Dynamics and Magnetism from the Interior to the Atmosphere (Editors: Pesnell, W. Dean & Thompson, Barbara), p. 62
0	Common dynamo scaling in late-type main sequence and evolved stars Lehtinen, Jyri, Spada, Federico, Käpylä, Maarit, Olspert, Nigul & Käpylä, Petri, 2021, The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 193
0	Passive scalar diffusion as a damped wave Brandenburg, Axel, Käpylä, Petri & Mohammed, Amjed, 2004, physics/0404118
0	Testing turbulent closure models with convection simulations Snellman, J. E., Käpylä, P. J., Käpylä, M. J., Rheinhardt, M. & Dintrans, B., 2012, arXiv:1209.4923
0	What can we learn from Local Convection Simulations in the Context of mean Field Models of Stellar Rotation and Magnetism? Käpylä, Petri J., Korpi, Maarit J., Ossendrijver, Mathieu & Stix, Michael, 2003, Astronomische Nachrichten Supplement, 324, 63
0	Transport coefficients for solar and stellar dynamos Ossendrijver, M. & Käpylä, P. J., 2006, Solar Activity and its Magnetic Origin (Editors: Bothmer, Volker & Hady, Ahmed Abdel), IAU Symposium, 233, p. 3