Publications of J. Warnecke

Käpylä, P. J.; Käpylä, M. J.; Olspert, N.; Warnecke, J.; Brandenburg, A.: Convection-driven spherical shell dynamos at varying Prandtl numbers. Astronomy and Astrophysics 599, A4 (2017)

Käpylä, P. J.; Rheinhardt, M.; Brandenburg, A.; Arlt, R.; Käpylä, M. J.; Lagg, A.; Olspert, N.; Warnecke, J.: Extended Subadiabatic Layer in Simulations of Overshooting Convection. Astrophysical Journal Letters 845, L23 (2017)

Warnecke, J.; Chen, F.; Bingert, S.; Peter, H.: Current systems of coronal loops in 3D MHD simulations. Astronomy and Astrophysics 607, A 53 (2017)

Käpylä, M. J.; Käpylä, P. J.; Olpert, N.; Brandenburg, A.; Warnecke, J.; Karak, B. B.; Pelt, J.: Multiple dynamo modes as a mechanism for long-term solar activity variations. Astronomy and Astrophysics 589, A56 (2016)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Brandenburg, A.: Influence of a coronal envelope as a free boundary to global convective dynamo simulations. Astronomy and Astrophysics 596, A115 (2016)

Warnecke, J.; Losada, I. R.; Brandenburg, A.; Kleeorin, N.; Rogachevskii, I.: Bipolar region formation in stratified two-layer turbulence. Astronomy and Astrophysics 589, A125 (2016)

Peter, H.; Warnecke, J.; Chitta, L. P.; Cameron, R. H.: Limitations of force-free magnetic field extrapolations: Revisiting basic assumptions. Astronomy and Astrophysics 584, A68 (2015)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Brandenburg, A.: On the cause of solar-like equatorward migration in global convective dynamo simulations. Astrophysical Journal 796, L12 (2014)

Losada, I. R.; Warnecke, J.; Glogowski, K.; Roth, M.; Brandenburg, A.; Kleeorin, N.; Rogachevskii, I.: A new look at sunspot formation using theory and observations. In: Proceedings of the International Astronomical Union: Fine Structure and Dynamics of the Solar Atmosphere, Vol. 12, pp. 46 - 59. (2017)

Warnecke, J.: Understanding rotational dependence of stellar activity using MHD simulations of stellar dynamos. Turbulence & magnetic fields - from the early universe to late-type stars, Tuusula, Finland (2019)

Warnecke, J.: Dynamos and Helicities in Natural Systems. Solar Helicities in Theory and Observations: Implications for Space Weather and Dynamo Theory, Stockholm, Schweden (2019)

Viviani, M.; Käpylä, M. J.; Warnecke, J.; Käpylä, P. J.; Rheinhardt, M.; Brandenburg, A.: Solar-like stars' models at increasing rotation rates: magnetic field, velocity field and helicities. Solar Helicities in Theory and Observations: Implications for Space Weather and Dynamo Theory, Stockholm, Schweden (2019)

Warnecke, J.: Magnetic Helicity: The glue that connects dynamos and coronae of the Sun and stars. Solar Helicities in Theory and Observations: Implications for Space Weather and Dynamo Theory, Nordita, Stockholm, Sweden (2019)

Warnecke, J.: Influence of magnetic helicity on heating and X-ray emission from 3D Models of solar and stellar coronae. Max Planck Princeton Center Workshop, Tokyo, Japan (2019)

Warnecke, J.: Understanding rotational dependence of stellar activity using MHD simulations of stellar dynamos and stellar coronae. MHD Days and GdRI Dynamo Meeting, Dresden, Germany (2018)

Warnecke, J.: Twisted currents of coronal loops in 3D MHD simulations. IRIS-9 Workshop, Göttingen, Germany (2018)

Warnecke, J.: Open questions and the future of dynamo simulations. From space, solar and laboratory plasmas to plasma astrophysics, Max-Planck-Institut für Sonnensystemforschung, Göttingen, Germany (2018)

Warnecke, J.: Interrogating the flows in a quest to understand the dynamos. National Solar Observatory (NSO) colloquium, Boulder, CO, USA (2018)

Warnecke, J.: Heatflux & Boris correction in solar MHD simulations. Pencil Code User Meeting, Boulder, CO, USA (2018)

Warnecke, J.: Modeling solar and stellar activity – from the dynamo to the corona. Institute Colloquium, Leibniz-Institut für Astrophysik Potsdam (AIP), Göttingen, Germany (2018)