Publications of J. Warnecke

Käpylä, M. J.; Käpylä, P. J.; Olspert, N.; Brandenburg, A.; Warnecke, J.; Gent, F. A.: Multiple dynamo modes as a mechanism for long-term solar activity variations. SOLARNET IV MEETING: The Physics of the Sun from the Interior to the Outer Atmosphere, Lanzarote, Spain (2017)

Käpylä, P. J.; Käpylä, M. J.; Olspert, N.; Warnecke, J.; Brandenburg, A.: Searching for asymptotics in convection-driven dynamos. 17th MHD Days, Göttingen, Germany (2017)

Käpylä, P. J.; Käpylä, M. J.; Rheinhardt, M.; Olspert, N.; Brandenburg, A.; Warnecke, J.; Lagg, A.; Arlt, R.: Stellar convection models with Kramers-type opacity law. Session 'Fundamental aspects of turbulent convection,' of the DPG-FrÜhjahrstagung, Dresden, Germany (2017)

Käpylä, P. J.; Käpylä, M. J.; Rheinhardt, M.; Olspert, N.; Brandenburg, A.; Warnecke, J.; Lagg, A.; Arlt, R.: Implications of extended subadiabtic layers for stellar dynamos. 2nd Conference on Natural Dynamos, Valtice, Czech Republic (2017)

Viviani, M.; Cole, E.; Käpylä, P. J.; Käpylä, M. J.; Olspert, N.; Warnecke, J.: Axi- to nonaxisymmetric dynamo transition in semi-global convection models. 14th Potsdam Thinkshop: Stellar magnetism: Challenges, Connections and Prospects, Potsdam, Germany (2017)

Viviani, M.; Cole-Kodicara, E.; Käpylä, P. J.; Käpylä, M. J.; Olspert, N.; Warnecke, J.: The influence of rotation in the transition from axi- to nonaxisymmetric dynamos. Rocks \& Stars II, Göttingen, Germany (2017)

Viviani, M.; Cole-Kodicara, E.; Käpylä, P. J.; Käpylä, M. J.; Olspert, N.; Warnecke, J.: Axi- to nonaxisymmetric dynamo transition in stellar models with varying rotation rate. AG2017 The many Scales of Universe: Galaxies, theirs Suns and their Planets, Göttingen, Germany (2017)

Warnecke, J.: Identifying dynamo mechanism for slowly and rapidly rotating stars. Rock & Stars II conference, Göttingen, Germany (2017)

Warnecke, J.: Measuring magnetic helicity fluxes in global solar and stellar dynamo. Max Planck Princeton Center for Plasma Physics Meeting, Greidswald, Germany (2017)

Warnecke, J.: Dynamo mechanism for magnetic activity
and cycles of stars. Splitter Session: Solar and stellar activity and variability at Annual Meeting of the Astronomische Gesellschaft , Göttingen, Germany (2017)

Warnecke, J.: Die Sonne, unsere magnetischer Stern. Bundesweite WE-Heraeus-Lehrerfortbildung zur Astronomie, Heidelberg, Germany (2017)

Warnecke, J.: Determine dynamo mechanisms and the role of helicity in compressible convective dynamo simulations of solar-like stars. Helicity Thinkshop 3, Tokio, Japan (2017)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Rheinhard, M.; Brandenburg, A.: Understanding dynamo mechanisms from 3D convection simulations of the Sun. SOLARNET IV Meeting: The Physics of the Sun from the Interior to the Outer Atmosphere., Lanzarote, Spain (2017)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Rheinhardt, M.; Brandenburg, A.: Identifying dynamo mechanism for slowly and rapidly rotating stars. 14th Potsdam Thinkshop: Stellar Magnetism: Challenges, Connections, and Prospects, Potsdam, Germany (2017)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Rheinhardt, M.; Brandenburg, A.: Determine dynamo mechanisms and magnetic helicity fluxes in compressible convective dynamo simulations of solar-like stars. 2nd Conference on Natural Dynamos, Valtice, Czech Republic (2017)

Warnecke, J.: Connecting the solar dynamo below the surface with ejection of twisted magnetic fields above the surface. Space Climate 6, Levi, Finland (2016)

Warnecke, J.: The Role of magnetic helicity and its fluxes for the dynamo. Max Planck Princeton Center for Plasma Physics Meeting, Princeton, USA (2016)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Rheinhard, M.; Brandenburg, A.: The Test-Field Method and Its Applications. ax Planck Princeton Center for Plasma Physics Meeting, Princeton, USA (2016)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Rheinhardt, M.; Brandenburg, A.: Understanding dynamo mechanisms from 3D convection simulations of the Sun. MHD Days, Göttingen, Germany (2016)

Warnecke, J.: Understanding the solar dynamo from numerical simulations. Mathematics Seminar, Division of Mathematics, University of Dundee, UK (2015)