last change 2014 Aug 20 by A. Saar
 
 
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Prof. Dr. Karl-Heinz Rädler

   

Guest of the Institute (AIP)

1992-1998 Scientific Chairman of the Institute

1992-2000 Director of the Department

"Cosmic Magnetic Fields, Solar and Stellar Activity"

  An der Sternwarte 16
  14482 Potsdam
 

(Building B7 Room 012)

   

Telephone:

+49-331-7499-227 (office)

+49-33205-63002 (home)
   

EMail:

KHRaedler@aip.de, KHRaedler@arcor.de
   
Prof. Dr. K.-H. Rädler

Scientific Interests

  • Cosmic magnetic fields

  • Geomagnetism

  • Magnetohydrodynamics

  • Dynamo theory

  • Laboratory experiments on dynamos


Selected publications (since 2000)

Brandenburg, A., and Rädler, K.-H.,
"Yoshizawa's cross-helicity effect and its quenching"
submitted to Geophys. Astrophys. Fluid Dyn. (2012)
arXiv:astro-ph/1112.1237 (download)

Brandenburg, A., Rädler, K.-H., and Kemel, K.,
"Mean-field transport in stratified and/or rotating turbulence"
Astron. Astrophys. 539 (2012) A35/1-11
arXiv:astro-ph/1108.2264 (download)

Rädler, K.-H., Brandenburg, A., Del Sordo, F., and Rheinhardt, M.,
"Mean-field diffusivities in passive scalar and magnetic transport in irrotational flows"
Phys. Rev. E 84 (2011) 046321/1-12
arXiv:astro-ph/1104.1613 (download)

Rädler, K.-H., and Brandenburg, A.,
"Mean electromotive force proportional to mean flow in MHD turbulence"
Astron. Nachr. 331 (2010) 14-21
arXiv:astro-ph/0910.0071 (download)

Avalos-Zuniga, R., Plunian, F., and Rädler, K.-H.,
"Rossby waves and alpha-effect"
Geophys. Astrophys. Fluid Dyn. 103 (2009) 375-396 (download)

Rädler, K.-H., and Brandenburg, A.,
"Mean-field effects in the Galloway-Proctor flow"
Mon. Not. R. Astron. Soc. 393 (2009) 113-125
arXiv:astro-ph/0809-0851 (download)

Brandenburg, A., Rädler, K.-H., Rheinhardt, M., and Subramanian, K.,
"Magnetic quenching of alpha and diffusivity tensors in helical turbulence"
Astrophys. Journal Lett. 687 (2008) L49-L52
arXiv:astro-ph/0805-1287 (download)

Brandenburg, A., Rädler, K.-H., and Schrinner, M.,
"Scale dependence of alpha effect and turbulent diffusivity"
Astron.&Astrophys. 482 (2008) 739-746
arXiv:astro-ph/0801-1320 (download)

Rädler, K.-H., and Brandenburg, A.,
"Alpha-effect dynamos with zero kinetic helicity"
Phys.Rev.E 77(2008) 026405/1-6
arXiv:astro-ph/0801-0602 (download)

Brandenburg, A., Rädler, K.-H., Rheinhardt, M., and Käpylä, P.J.,
"Magnetic diffusivity tensor and dynamo effects in rotating and shearing turbulence"
Astrophys. Journal 676 (2008) 740-751
arXiv:astro-ph/0711-4049 (download)

Rädler, K.-H., and Rheinhardt, M.,
"Mean-field electrodynamics: Critical analysis of various analytical approaches
to the mean electromotive force"
Geophys. Astrophys. Fluid Dyn. 101 (2007) 117-154
arXiv:astro-ph/0606267 (download)

Schrinner, M., Rädler, K.-H., Schmitt, D., Rheinhardt, M., and Christensen, U.,
"Mean-field concept and direct numerical simulations of rotating magnetoconvection and the geodynamo"
Geophys. Astrophys. Fluid Dyn. 101 (2007) 81-116
arXiv:astro-ph/0609752 (download)

Rädler, K.-H.,
"Mean-field dynamo theory: early ideas and today's problems"
in "Magnetohydrodynamics: Evolution of Ideas and Trends",
edited by S. Molokov, R. Moreau and H. K. Moffatt
(within the series "Fluid Mechanics and its Applications", edited by R. Moreau)
Springer 2007 pp. 55-72
(ISBN 978-1-4020-4832-6) (download)

Rädler, K.-H.,
"Mean-field dynamos",
Contribution to "Encyclopedia of Geomagnetism and Paleomagnetism"
edited by D. Gubbins and E. Herrero-Bervera
Springer 2007 pp.192-199
(ISBN-13: 978-1-4020-3992-8) (download)

Rädler, K.-H., and Stepanov, R.,
"The mean electromotive force due to turbulence of a conducting fluid
in the presence of a mean flow"
Phys.Rev.E 73 (2006) 056311/1-15
arXiv:physics/0512120 (download)

Rädler, K.-H., and Stepanov, R.,
"On the effects of turbulence on a screw dynamo"
Geophys. Astrophys. Fluid Dyn. 100 (2006) 379-395
arXiv:physics/0603085 (download)

Schrinner, M., Rädler, K.-H., Schmitt, D., Rheinhardt, M., and Christensen, U. ,
"Mean--field view on geodynamo models"
Magnetohydrodynamics 42 (2006) 111-122 (download)

Schrinner, M., Rädler, K.-H., Schmitt, D., Rheinhardt, M., and Christensen, U.,
"Mean-field view on rotating magnetoconvection and a geodynamo model"
Astron. Nachr. 326 (2005) 245-249 (download)

Schrinner, M., Rädler, K.-H., Schmitt, D., Rheinhardt, M., and Christensen, U.
"Mean-field view on magnetoconvection and dynamo models"
Proceedings of the Joint 15th Riga and 6th PAMIR International Conference on Fundamental and Applied MHD (2005) Vol.1, 85-88

Rädler, K.-H., and Stepanov, R., "The dynamo in a turbulent screw flow"
Advances in Turbulence X Proceedings of the Tenth European Turbulence Conference
edited by H. I. Andersson and P.-A. Krogstad
CIMNE Barcelona 2004 pp. 789-792

Rädler, K.-H., Kleeorin, N., and Rogachevski, I.,
"The mean electromotive force for MHD turbulence: the case of a weak mean magnetic field and slow rotation"
Geophys Astrophys. Fluid Dyn. 97 (2003) 249-274 (download)

Rädler, K.-H., and Brandenburg, A.,
"Contributions to the theory of a two-scale homogeneous dynamo experiment"
Phys. Rev. E 67 (2003) 026401/ 1-11
arXiv:physics/0208023 (download)

Rädler, K.-H., Rheinhardt, M., Apstein, E., and Fuchs, H.,
"On the mean-field theory of the Karlsruhe dynamo experiment I. Kinematic theory"
Magnetohydrodynamics 38 (2002) 41-71 (download)

Rädler, K.-H., Rheinhardt, M., Apstein, E., and Fuchs, H.,
"On the mean-field theory of the Karlsruhe dynamo experiment II. Backreaction of the magnetic field on the fluid flow"
Magnetohydrodynamics 38 (2002) 73-94 (download)

Rädler, K.-H., Rheinhardt, M., Apstein, E., and Fuchs, H.,
"On the mean-field theory of the Karlsruhe dynamo experiment"
Nonlinear Processes in Geophysics 9 (2002) 171-187 (download)

Plunian, F., and Rädler, K.-H.,
"Subharmonic dynamo action in the Roberts flow",
Geophys. Astrophys. Fluid Dyn. 96 (2002) 115-133 (download)

Plunian, F., and Rädler, K.-H.,
"Harmonic and subharmonic solutions of the Roberts dynamo problem.
Application to the Karlsruhe experiment"
Magnetohydrodynamics 38 (2002) 95-106 (download)

Rädler, K.-H., and Rheinhardt, M.,
"Can a disc dynamo work in the laboratory?"
Magnetohydrodynamics 38 (2002) 211-217 (download)

Rädler, K.-H., and Stepanov, R.,
"On the effect of turbulence on a screw dynamo"
Fifth International PAMIR Conference on Fundamental and Applied MHD (2002) Vol. 2, VI 77 - VI 82

Rädler, K.-H., Fuchs, H., Geppert, U., Rheinhardt, M., and Zannias, T.
"General-relativistic free decay of magnetic fields in a spherically symmetric body"
Phys. Rev. D 64 (2001) 083008 (download)

Fuchs, H., Rädler, K.-H., and Rheinhardt, M.,
"Suicidal and parthenogenetic dynamos"
Dynamo and Dynamics, a Mathematical Challenge,
edited by P. Chossat, D. Armbruster and I. Oprea,
Kluwer Academic Publishers 2001 pp. 339-346

Rädler, K.-H.,
"The generation of cosmic magnetic fields"
From the Sun to the Great Attractor
1999 Guanajuato Lectures on Astrophysics, edited by D. Page and J. Hirsch,
Lecture Notes in Physics Springer 2000, pp. 101-172 (download)

Rädler, K.-H.,
"Dynamo theory and its experimental validation"
Fourth International PAMIR Conference on Magnetohydrodynamic at Dawn of Third Millennium (2000) 167-172

Stepanov, R., and Rädler, K.-H.,
"The influence of small-scale turbulence on a screw dynamo"
Fourth International PAMIR Conference on Magnetohydrodynamic at Dawn of Third Millennium (2000) 541-544