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last change April 2010, M. Küker
MHD: Publications

Preprints


Rüdiger G., Küker M., Schnerr R.: The cross helicity at the solar surface by simulations and observations

Rüdiger G., Gellert M., Schultz M., Strassmeier K.G., Stefani F., Gundrum Th., Seilmayer M., Gerbeth G.: Critical field and growth rate in a columnar Gallium-Tayler experiment

Rüdiger G., Brandenburg, A.: The alpha-effect in a turbulent liquid-metal plane Couette flow

Rüdiger G., Kitchatinov. L.L., Elstner, D.: Helicity and dynamo action in magnetized stellar radiation zones, Mon. Not. R. Astron. Soc. (subm.)

Gellert M., Rüdiger G., Schultz M.: Angular momentum transport by standard MRI in cylindric Taylor-Couette flows, Astron. Astrophys. (subm.)




Papers 2012


Rüdiger G., Kitchatinov L.L., Schultz M.: Suppresion of the large-scale Lorentz force by turbulence, Astron. Nachr. 332, 84




Papers 2011


Gressel O., Ziegler U., Elstner D.: Magnetic field amplification by SN-driven interstellar turbulence, EAS Publ. 44, 73

Korhonen H., Elstner D.: Investigating the variation of latitudinal stellar spot rotation and its relation to the real stellar surface rotation, Astron. Astrophys. 532, A106

Kondic T., Rüdiger G., Hollerbach R.: The shear-Hall instability in newborn neutron stars, Astron. Astrophys. 535, L2

Frasca A., Fröhlich H.-E., Bonanno A., Catanzaro G., Biazzo K., Molenda-Zakowicz J.: Magnetic activity and differential rotation in the very young star KIC 8429280, Astron. Astrophys. 532, A81

Feudel F., Bergemann K., Tuckerman L.S., Egbers C., Futterer B., Gellert M., Hollerbach R.: Convection patterns in a spherical fluid shell, Phys. Rev. E 83, 046304

Küker M., Rüdiger G.: Differential rotation and meridional flow on the lower zero-age main sequence: Reynolds stress versus baroclinit flow, Astron. Nachr. 332, 933

Küker M., Rüdiger G.: Cross helicity in stellar magnetoconvection, Proc. IAU 274,Advances in Plasma Astrophysics, A. Bonnano, E. de Gouveia dal Pino, A. Kosovichev, eds., p. 143

Rüdiger G., Gellert M., Arlt R.: On radiation-zone dynamos, Proc. IAU 274: Advances in Plasma Astrophysics, A. Bonanno, E. de Gouveia dal Pino, A. Kosovichev, eds., p. 110

Arlt R.: The sunspot observations by Samuel Heinrich Schwabe, Astron. Nachr. 332, 805

Arlt R., Abdolvand A.: First solar butterfly diagram from Schwabe's observations in 1825-1867, Proc. of IAU Symp. 273: Physics of Sun and Star Spots, D.P. Choudhary, K.G. Strassmeier, eds., p. 286

Arlt R.: Global MHD phenomena and their importance for stellar surfaces, Proc. of IAU Symp. 273: Physics of Sun and Star Spots, D.P. Choudhary, K.G. Strassmeier, eds.,p. 141

Rüdiger G., Schultz M., Elstner D.: The pinch-type instability of helical magnetic fields, Astron. Astrophys. 530, A55

Illarionov E., Sokoloff D., Arlt R., Khlystova A.: Cluster analysis for pattern recognition in solar butterfly diagrams, Astron. Nachr. 332, 590

Gellert M., Rüdiger G., Hollerbach R.: Helicity and alpha-effect by current-driven instabilities of helical magnetic fields, Mon. Not. R. Astron. Soc. 414, 2696

Küker M., Rüdiger G., Kitchatinov L.L.: The differential rotation of G dwarfs, Astron. Astrophys. 530, A48

Arlt R., Rüdiger G.: Amplification and stability of magnetic fields and dynamo effect in young A stars, Mon. Not. R. Astron. Soc. 412, 107

Rüdiger G., Kitchatinov L.L., Brandenburg A.: Cross helicity and turbulent magnetic diffusivity in the solar convection zone, Solar Phys. 269, 3

Arlt R., Rüdiger G.: Magnetic fields of Ap stars as a result of Tayler instability, Astron. Nachr. 332, 70

Küker M., Rüdiger G.: Differential rotation and meridional flow of Arcturus, Astron. Nachr. 332, 83

Rüdiger G., Schultz M., Gellert M.: The Tayler instability of toroidal magnetic fields in a columnar gallium experiment, Astron. Nachr. 332, 17

Ziegler U.: A semi-discrete central scheme for magnetohydrodynamics on orthogonal-curvilinear grids, J. Computat. Phys. 230, 1035




Papers 2010


Strassmeier K.G., Granzer T., Kopf M., Weber M., Küker M., et al.: Rotation and magnetic activity of the Hertzsprung-gap giant 31 Comae, Astron. Astrophys. 520, A52

Zolotova N.V., Ponyavin D.I., Arlt R., Tuominen I.: Secular variation of hemispheric phase differences in the solar cycle, Astron. Nachr. 331, 765

Sokoloff D., Arlt R., Moss D., et al.: Sunspot cycles and Grand Minima, Proc. of IAU Symp. 264, Solar and stellar variability: Impact on Earth and planets,A.G. Kosovichev, A.H. Andrei & J.-P. Rozelot, eds., p. 111

Rüdiger G., Gellert M., Schultz M., Hollerbach R.: Dissipative Taylor-Couette flows under the influence of helical magnetic fields, Phys. Rev. E 82, 016319

Cohen O., Drake J.J., Kashyap V.L., Korhonen H., Elstner D., Gombosi T.I.: Magnetic structure of rapidly rotating FK Comae-type coronae, Astrophys. J. 719, 299

Shtemler Yu. M., Mond M., Rüdiger G., Regev O., Umurhan O.M.: Non-exponential hydrodynamical growth in density-stratified thin Keplerian discs, Mon. Not. R. Astron. Soc. 406, 517

Kitchatinov L.L., Rüdiger G.: Nonaxisymmetric modes of MRI in dissipative Keplerian disks, Astron. Astrophys. 513, L1

Lüftinger T., Fröhlich H.-E., Weiss W.W., et al.: Surface structure of the CoRoT CP2 target star HD 50773, Astron. Astrophys. 509, A43

Hubrig S., Schöller M., Savanov I., Gonzalez J.F., Cowley C.R., Schütz O., Arlt R., Rüdiger G.: The exceptional Herbig Ae star HD 101412: The first detection of resolved magnetically split lines and the presence of chemical spots in a Herbig star, Astron. Nachr. 331, 361

Rüdiger G., Kitchatinov L.L.: The kink-type instability of toroidal stellar magnetic fields with thermal diffusion, Geophys. Astrophys. Fluid Dyn. 104, 273

Rüdiger G., Schultz M.: Tayler instability of toroidal magnetic fields in MHD Taylor-Couette flows, Astron. Nachr. 331, 121

Hollerbach R., Teeluck V., Rüdiger G.: Nonaxisymmetric magnetorotational instabilities in cylindrical Taylor-Couette flow, Phys. Rev. Lett. 104, 044502


Papers 2009


Fröhlich H.-E., Küker M., Hatzes A.P., Strassmeier K.G.: On the differential rotation of CoRoT-2a, Astron. Astrophys. 506, 263

Gellert M., Rüdiger G.: Eddy diffusivity from hydromagnetic Taylor-Couette flow experiments, Phys. Rev. E 80, 046314

Rüdiger G., Gellert M., Schultz M.: Eddy viscosity and turbulent Schmidt number by kink-type instabilities of toroidal magnetic fields, Mon. Not. R. Astron. Soc. 399, 996

Kitchatinov L.L., Rüdiger G.: Stability of latidunal differential rotation in stars, Astron. Astrophys. 504, 303

Arlt R.: The solar observations at Armagh Observatory in 1795-1797, Astron. Nachr. 330, 311

Arlt R.: The butterfly diagram in the eighteenth century, Solar Phys. 255, 143

Usoskin I.G., Mursula K., Arlt R., Kovaltsov G.A.: A solar cycle lost in 1793-1800: Early sunspot observations resolve the old mystery, Astrophys. J. 700, L154

Shtemler Y.M., Mond M., Rüdiger G.: Hall equilibrium of thin Keplerian discs embedded in mixed poloidal and toroidal magnetic fields, Mon. Not. R. Astron. Soc. 394, 1379

Rüdiger G., Kitchatinov L.L., Gellert M.: Magnetic pinch-type instability in stellar radiative zones, In: K.G. Strassmeier et al. (eds.), IAU Symp. 259, Cosmic Magnetic Fields: from Planets, to Stars and Galaxies, p. 167

Gellert M., Rüdiger G.: SRI in Taylor-Couette flow heated from above, J. Fluid Mech. 623, 375

Rüdiger G., Shalybkov D.A.: Stratorotational instability in MHD Taylor-Couette flows, Astron. Astrophys. 493, 375

Rüdiger G., Shalybkov D.A., Schultz M., Mond M.: Tayler instability with Hall effect in young neutron stars, Astron. Nachr. 330, 12




Papers 2008


Gellert M., Rüdiger G.: Toroidal field instability and eddy viscosity in Taylor-Couette flows, Astron. Nachr. 329, 709

Stefani F., Gerbeth G., Gundrum Th., Szklarski J., Rüdiger G., Hollerbach R.: Results of a modified PROMISE experiment, Astron. Nachr. 329, 652

Gressel O., Elstner D., Ziegler U., Rüdiger G.: Direct simulations of a supernova-driven galactic dynamo, Astron. Astrophys. 486, L35

Rüdiger G., Schultz M.: Helical magnetorotational instability of Taylor-Couette flows in the Rayleigh limit and for quasi-Kepler rotation, Astron. Nachr. 329, 659

Elstner D., Bonanno A., Rüdiger G.: Nonlinear evolution of Tayler unstable equilibrium states, Astron. Nachr. 329, 717

Arlt R.: Digitization of sunspot drawings by Staudacher in 1749-1796, Solar Physics 247, 399

Gressel O., Ziegler U., Elstner D., Rüdiger G.: Dynamo coefficients from local simulations of the turbulent ISM, Astron. Nachr. 329, 619

Gellert M., Rüdiger G., Elstner D.: Helicity generation and alpha-effect by Tayler instability with z-dependent differential rotation, Astron. Astrophys. 479, L33

Kitchatinov L.L., Rüdiger G.: Diamagnetic pumping near the base of a stellar convection zone, Astron. Nachr. 329, 372

Kitchatinov L.L., Rüdiger G.: Stability of toroidal magnetic fields in rotating stellar radiation zones, Astron. Astrophys. 478, 1


Papers 2007


Giesecke A.: Anisotropic turbulence in weakly stratified rotating magnetoconvection, Geophys. J. Int. 171, 1017

Gressel O., Ziegler U.: Shearingbox-implementation for the central-upwind, constrained-transport MHD-code NIRVANA, Comp. Phys. Commun. 176, 652

Szklarski J., Rüdiger G.: Ekman-Hartman layer in a magnetohydrodynamic Taylor-Couette flow, Phys. Rev. E 76, 066308

Arlt R., Sule A., Filter R.: Stability of the solar tachocline with magnetic fields, Astron. Nachr. 328, 1142

Elstner D., Rüdiger G.: How can alpha2-dynamos generate axisymmetric magnetic fields?, Astron. Nachr. 328, 1130

Fröhlich H.-E.: The differential rotation of epsilon Eri from MOST data, Astron. Nachr. 328, 1037

Gellert M., Rüdiger G., Fournier A.: Energy distribution in nonaxisymmetric magnetic Taylor-Couette flow, Astron. Nachr. 328, 1162

Kitchatinov L.L., Rüdiger G.: Stability of toroidal magnetic fields in the solar tachocline and beneath, Astron. Nachr. 328, 1150

Küker M., Rüdiger G.: Modelling the differential rotation of F stars, Astron. Nachr. 328, 1050

Rüdiger G., Hollerbach R., Gellert M., Schultz M.: The azimuthal magnetorotational instability (AMRI), Astron. Nachr. 328, 1158

Rüdiger G., Schultz M., Shalybkov D., Hollerbach R.: Theory of current-driven instability experiments in magnetic Taylor-Couette flows, Phys. Rev. E 76, 056309

Rüdiger G., Kitchatinov L.L.: Structure and stability of the magnetic solar tachocline, New J. Phys. 9, 302

Rüdiger G., Hollerbach R.: Comment on "Helical magnetorotational instability in magnetized Taylor-Couette flow", Phys. Rev. E 76, 068301

Stefani F., Gundrum T., Gerbeth G., Rüdiger G., Szklarski J., Hollerbach R.: Experiments on the magnetorotational instability in helical magnetic fields, New. J. Phys. 9, 295

Küker M., Rüdiger G.: Funnel flows from protoplanetary disks, Mem S.A.It. 78, 371

Szklarski J.: Reduction of boundary effects in the spiral MRI experiment PROMISE, Astron. Nachr. 328, 499

Rüdiger G., Hollerbach R., Schultz M., Elstner D.: Destabilization of hydrodynamically stable rotation laws by azimuthal magnetic fields, Mon. Not. R. Astron. Soc. 377, 1481

Kitchatinov L.L., Rüdiger G.: Sunspot models with bright rings, in: F. Kneer et al. (eds.), Modern Solar Facilities-- Advanced Solar Science, p. 343

Page D., Geppert U., Küker M.: Cooling of neutron stars with strong toroidal magnetic fields, Astrophys. Space Sci. 308, 403

Bonanno A., Küker M., Paterno L.: Seismic inference of differential rotation in Procyon A, Astron. Astrophys. 462, 1031

Arlt R., Sule A., Rüdiger G.: Stability of toroidal magnetic fields in the solar tachocline, Astron. Astrophys. 461, 295


Papers 2006


Stefani F., Gundrum T., Gerbeth G., Rüdiger G., Schultz M., Szklarski J., Hollerbach R.: Experimental evidence for magnetorotational instability in a helical magnetic field, Phys. Rev. Lett. 97, 184502

Geppert U., Küker M., Page, D.: Temperature distribution in magnetized neutron star crusts. II. The effect of a strong toroidal component, Astron. Astrophys. 457, 937

Szklarski J., Rüdiger G.: Nonlinear simulations of magnetic Taylor-Couette flow with current-free helical magnetic fields, Astron. Nachr. 327, 844

Fröhlich H.-E., Kroll P., Strassmeier K.G.: The RS CVn binary HK Lacertae: long-term photometry from Sonneberg sky-patrol plates, Astron. Astrophys. 454, 295

Rüdiger G., Kitchatinov L.L.: Mean field modelling of differential rotation, Chapter 6 in The Solar Tachocline, eds. D.W. Hughes, R. Rosner, N.O. Weiss, Cambridge University Press, p. 128

Rüdiger, G., Hollerbach, R., Stefani, F., Gundrum, T., Gerbeth, G., Rosner, R.: The traveling-wave MRI in cylindrical Taylor-Couette flow: Comparing wavelengths and speeds in theory and experiment, Astrophys. J. 649, L145

Rüdiger G., Schultz M.: The magnetorotational instability of MHD Taylor-Couette flows, Magnetohydrodynamics 42, 3

Chabrier G., Küker M.: Large-scale α^2-dynamo in low-mass stars and brown dwarfs, Astron. Astrophys. 446, 1027

Kitchatinov L.L., Rüdiger G.: Magnetic field confinement by meridional flow and the solar tachocline, Astron. Astrophys. 453, 329

Rüdiger G., Kitchatinov L.L.: Do mean-field dynamos in nonrotating turbulent shear-flows exist? Astron. Nachr. 327, 298




Papers 2005


Rüdiger G., Kitchatinov L.L., Arlt R.: The penetration of the meridional flow into the tachocline and its meaning for the solar dynamo, Astron. Astrophys. 444, L53

Giesecke A., Ziegler U., Rüdiger G.: Geodynamo alpha-effect derived from box simulations of rotating magnetoconvection, Phys. Earth Planet. Inter. 152, Issue 1-2, 90-102

Rüdiger G.: Taylor-Couette flow: MRI, SHI and SRI, dedicated to Prof. E.P. Velikhov on the occasion of his 70th birthday

Arlt R., Sule A., Rüdiger G.: Three-dimensional stability of the solar tachocline, Astron. Astrophys. 441, 1171

Hollerbach R., Rüdiger G.: New type of magneto-rotational instability in cylindrical Taylor-Couette flow, Phys. Rev. Lett. 95, 124501

Fröhlich H.-E.: Ambipolar diffusion in self-gravitating filaments, Astron. Astrophys. 441, 153

Giesecke A., Rüdiger G., Elstner D.: Oscillating \alpha2-dynamos and the reversal phenomenon of the global geodynamo, Astron. Nachr. 326, 693

Kitchatinov L.L., Rüdiger G.: Differential rotation and meridional flow in the solar convection zone and beneath, Astron. Nachr. 326, 379

Shalybkov D., Rüdiger G.: Stability of density-stratified viscous Taylor-Couette flows, Astron. Astrophys. 438, 411

Sule A., Rüdiger G., Arlt R.: A numerical MHD model for the solar tachocline with meridional flow, Astron. Astrophys. 437, 1061

Ziegler U.: A solution-adaptive central-constraint transport scheme for magnetohydrodynamics, Comp. Phys. Commun. 170, 153

Urpin V., Rüdiger G.: The stability of magnetized protostellar disks with Hall effect and buoyancy, Astron. Astrophys. 437, 23

Rüdiger G., Hollerbach R., Schultz M., Shalybkov D.A.: The stability of MHD Taylor-Couette flow with current-free spiral magnetic fields between conducting cylinders, Astron. Nachr. 326, 409

Ziegler U.: Self-gravitational magnetohydrodynamics with the NIRVANA code, Astron. Astrophys. 435, 385

Rüdiger G., Egorov P., Ziegler U.: The angular momentum transport in rotating turbulent convection, Astron. Nachr. 326, 315

Rüdiger G., Kitchatinov L.L.: The influence of the Hall effect on the global stability of cool protostellar disks, Astron. Astrophys. 434, 629

Küker M., Rüdiger G.: Differential rotation on the lower main sequence, Astron. Nachr. 326, 265

Küker M., Rüdiger G.: Differential rotation of main sequence F stars, Astron. Astrophys. 433, 1023

Rüdiger G., Egorov P., Kitchatinov L.L., Küker M.: The eddy heat-flux in rotating turbulent convection, Astron. Astrophys. 431, 345

Ziegler U.: On the efficiency of AMR in NIRVANA3, In: T. Plewa, T. Linde, V.G. Weirs (eds.): Adaptive Mesh Refinement - Theory and Applications, Lecture Notes in Computational Science and Engineering 41 (2005)

Rheinhardt M., Geppert U.: Comment on: The linear instability of magnetic Taylor-Couette flow with Hall effect, Phys. Rev. E 71, 038301


Papers 2004


Arlt R.: Magnetic shear-flows in stars, Proc. of MHD Couette flows: Experiments and models, eds. R. Rosner et al., Catania, p. 191

Rüdiger G.: Linear theory of MHD Taylor-Couette flow, Proc. of MHD Couette flows: Experiments and models, eds. R. Rosner et al., Catania, p. 71

Shalybkov D., Rüdiger G.: Taylor-Couette flow stability: effect of vertical density stratification and azimuthal magnetic fields, Proc. of MHD Couette flows: Experiments and models, eds. R. Rosner et al., Catania, p. 165

Arlt R., Urpin V.: Simulations of vertical shear instability in accretion discs, Astron. Astrophys. 426, 755

Geppert U., Küker M., Page D.: Temperature distribution in magnetized neutron star crusts, Astron. Astrophys. 426, 267

Kitchatinov L.L., Rüdiger G.: Seed fields for galactic dynamos by the magnetorotational instability, Astron. Astrophys. 424, 565

Kitchatinov L.L., Rüdiger G.: Anti-solar differential rotation, Astron. Nachr. 325, 496

Egorov P., Rüdiger G., Ziegler U.: Vorticity and helicity of the solar supergranulation flow-field, Astron. Astrophys. 425, 725

Küker M., Henning Th., Rüdiger G.: Magnetic star-disk interactions in classical T Tauri stars, Astrophys. Space Sci. 292, 599

Dziourkevitch N., Elstner D., Rüdiger G.: Interstellar turbulence driven by the magnetorotational instability, Astron. Astrophys. 423, L29

Klose S., Henden A.A., Geppert U., et al.: A near-infrared survey of the N 49 region around the Soft Gamma-Ray Repeater SGR 0526-66, Astrophys. J. 609, L13

Rheinhardt M., Konenkov D., Geppert U.: The occurence of the Hall instability in crusts of isolated neutron stars, Astron. Astrophys. 420, 631

Ziegler U.: A central-constrained transport scheme for ideal magnetohydrodynamics, J. Comput. Phys. 196, 393

Ziegler U.: An ADI-based adaptive mesh Poisson solver for the MHD code NIRVANA, Comp. Phys. Commun. 157, 207

Hollerbach R., Rüdiger G.: Hall drift in the stratified crusts of neutron stars, Mon. Not. R. Astron. Soc. 347, 1273

Rüdiger G., Shalybkov D.: Linear instability of magnetic Taylor-Couette flow with Hall effect, Phys. Rev. E 69, 016303




Papers 2003


Geppert U., Rheinhardt M., Gil J.: Spot-like Structures of Neutron Star Surface Magnetic Fields, Astron. Astrophys. Letters 412, L33

Yousef T.A., Brandenburg A., Rüdiger G.: Turbulent magnetic Prandtl number and magnetic diffusivity quenching from simulations, Astron. Astrophys. 411, 321

Gil J., Melikidze G.I., Geppert U.: Drifting subpulses and inner acceleration regions in radio pulsars, Astron. Astrophys. 407, 315

Rüdiger G., Elstner D., Ossendrijver M.: Do spherical \alpha2-dynamos oscillate? Astron. Astrophys. 406, 15

Küker M., Henning T., Rüdiger G.: Magnetic star-disk coupling in classical T Tauri systems, Astrophys. J. 589, 397

Arlt R., Hollerbach R., Rüdiger G.: Differential rotation decay in the radiative envelopes of CP stars, Astron. Astrophys. 401, 1087

Rüdiger G., Schultz M., Shalybkov D.: Linear magnetohydrodynamic Taylor-Couette instability for liquid sodium, Phys. Rev. E 67, 046312

Ziegler U., Rüdiger G.: Box simulations of rotating magnetoconvection. Effects of penetration and turbulent pumping, Astron. Astrophys. 401, 433

Ziegler U.: Adaptive mesh refinement in MHD modeling. Realization, tests and application, in Turbulence and Magnetic Fields in Astrophysics, Lecture Notes in Physics 614, 127

Rüdiger G., Küker M., Chan K.L.: Differential rotation and meridional flow in the solar supergranulation layer: Measuring the eddy viscosity, Astron. Astrophys. 399, 743




Papers 2002


Rüdiger G., Küker M.: Angular momentum transport in the solar supergranulation layer, in: SOLMAG: Magnetic coupling of the solar atmosphere, IAU Coll. 188, ESA SP-505, p. 557

Fröhlich H.-E., Rüdiger G.: Photometric search for an activity cycle in the young solar analogue EK Draconis, in: Solar variability: From core to outer frontiers, ESA SP-506, p. 841

Arlt R., Rüdiger G.: An explanation for the slow and uniform rotation of the solar core, in: From solar Min to Max: Half a solar cycle with SOHO, ESA SP-508, p. 51

Fendt Ch., Cemeljic M.: Formation of protostellar jets -- effects of magnetic diffusion, Astron. Astrophys. 395, 1045

Memola E., Fendt C., Brinkmann W.: Theoretical thermal X-ray spectra of relativistic MHD jets, Astron. Astrophys. 385, 1089

Hollerbach R., Rüdiger G.: The influence of Hall drift on the magnetic fields of neutron stars, Mon. Not. R. Astron. Soc. 337, 216

Rüdiger G., Arlt R.: Physics of the solar cycle, Chapter 6 in: A. Ferriz-Mas and M. Nunez (eds.) Advances in nonlinear dynamos. The Fluid Mechanics of Astrophysics and Geophysics, v. 9, 147

Rüdiger G.: The stability of MHD Taylor-Couette flow, in: Proc. of the 5th International pamir conference Fundamental and Applied MHD, Ramatuelle, p. 63

Shalybkov D.A., Rüdiger G., Schultz M.: Nonaxisymmetric patterns in the linear theory of MHD Taylor-Couette instability, Astron. Astrophys. 395, 339

Rüdiger G., Shalybkov D.A.: The magnetic geometry of magnetic-dominated thin accretion disks, Astron. Astrophys. 393, L81

Ossendrijver M., Stix M., Brandenburg A., Rüdiger G.: Magnetoconvection and dynamo coefficients: II. Field-direction dependent pumping of magnetic field, Astron. Astrophys. 394, 735

Geppert U., Rheinhardt M.: Non-linear magnetic field decay in neutron stars -- theory and observations, Astron. Astrophys. 392, 1015

Rüdiger G., Elstner D., Lanza A.F., Granzer Th.: Orbital period modulation in close binaries due to cyclic \alpha2-dynamo activity, Astron. Astrophys. 392, 605

Rüdiger G., Arlt R., Shalybkov D.A.: Hydrodynamic stability in accretion disks under the combined influence of shear and density stratification, Astron. Astrophys. 391, 781

Bonanno A., Elstner D., Rüdiger G., Belvedere G.: Parity properties of the circulation-dominated \alpha2\Omega-dynamo, Astron. Astrophys. 390, 673

Fröhlich H.-E., Tschäpe R., Rüdiger G., Strassmeier K.G.: EK Draconis: Long-term photometry on Sonneberg Sky-Patrol plates, Astron. Astrophys. 391, 659

Hasler K.-H., Rüdiger G., Staude J.: Signature of differential rotation in solar disk-integrated chromospheric line emission, Astron. Nachr. 323, 123

Rüdiger G., Tschäpe R., Kitchatinov L.L.: Negative Reynolds stress generation by accretion disc convection, Mon. Not. R. Astron. Soc. 332, 435

Otmianowska-Mazur K., Elstner D., Soida M., Urbanik M.: Magnetic fields and radio polarization of barred galaxies, Astron. Astrophys. 384, 48

Rheinhardt M., Geppert U.: A Hall-drift induced magnetic field instability, Phys. Rev. Lett. 88, 101103

Rüdiger G., Küker M.: Meridional flow and differential rotation by gravity darkening in fast rotating solar-type stars, Astron. Astrophys. 385, 308

Ziegler U.: Box simulations of rotating magnetoconvection. Spatiotemporal evolution, Astron. Astrophys. 386, 331

Rüdiger G., Shalybkov D.A.: The stability of axisymmetric Taylor-Couette flow in hydromagnetics, Phys. Rev. E 66, 016307

Rüdiger G., Elstner D.: Is the Butterfly diagram due to meridional motions?, Astron. Nachr. 323, 435

Rüdiger G., Shalybkov D.A.: MHD instability in cylindric Taylor-Couette flow, 12th International Couette-Taylor Workshop, Evanston


Papers 2001


Fendt Ch., Greiner J.: Magnetically driven superluminal motion from rotating black holes. Solution of the magnetic wind equation in Kerr metric., Astron. Astrophys. 369, 308

Rüdiger G., Pipin V.V., Belvedere G.: Alpha-effect, helicity and angular momentum transport for a rotating magnetically driven turbulence in the solar convection zone, Solar Phys. 198, 241

Colpi M., Geppert U., Page D., Possenti, A.: Charting the temperature of the hot neutron star in a soft X-ray transient, Astrophys. J. 548, L175

Konenkov D., Geppert U.: Expulsion of magnetic flux from the core and its dissipation in the crust of a neutron star, Astron. Lett. 27, 163

Fendt Ch., Memola E.: Collimating, relativistic magnetic jets from rotating disks. The axisymmetric field structure of relativistic jets and the example of the M87 jet, Astron. Astrophys. 365, 631

Rüdiger G., Drecker A.: Turbulence-driven angular momentum transport in modulated Kepler flows, Astron. Nachr. 322, 179

Rüdiger G., Urpin V.: Nonlocal dynamo waves in a turbulent shear flow, Astron. Astrophys. 369, 323

Rüdiger G., Zhang Y.: MHD instability in differentially rotating cylindric flows, Astron. Astrophys. 378, 302

Ziegler U.: The effect of rotation on the buoyant rise of magnetic flux tubes in accretion disks, Astron. Astrophys. 367, 170

Küker M., Rüdiger G., Schultz M.: Circulation-dominated solar shell dynamo models with positive alpha-effect, Astron. Astrophys. 374, 301

Konenkov D., Geppert U.: The evolution of core and surface magnetic field in isolated neutron stars, Mon. Not. R. Astron. Soc. 325, 426

Konenkov D., Geppert U.: On the nature of the residual magnetic fields in millisecond pulsars, Astron. Astrophys. 372, L563

Rüdiger G., Pipin V.V.: Lithium as a passive tracer probing the rotating solar tachocline turbulence, Astron. Astrophys. 375, 149

Arlt R., Rüdiger G.: Global accretion disk simulations of magneto-rotational instability, Astron. Astrophys. 374, 1035

Fendt Ch., Memola E.: Stationary relativistic magnetic jets from black holes, Astrophys. Space Sci. 276, 297

Arlt R., Brandenburg A.: Search for non-helical disc dynamos in simulations, Astron. Astrophys. 380, 359

Tschäpe R., Rüdiger G.: Rotation-induced Li-depletion in solar-type stars of open stellar clusters, Astron. Astrophys. 377, 84

Ziegler U., Rüdiger G.: Shear rate dependence and the effect of resistivity in magneto-rotationally unstable, stratified disks, Astron. Astrophys. 378, 668

Rädler K.-H., Fuchs H., Geppert U., Rheinhardt M., Zannias T.: Relativistic treatment of magnetic field free dacay, Phys. Rev. D 64, 083008


Papers 2000


Rüdiger G., Pipin V.V.: Viscosity alpha and dynamo-alpha for magnetic-driven turbulence in density-stratified Keplerian disks, Astron. Astrophys. 362, 756

Fendt Ch., Elstner D.: Long-term evolution of a dipole type magnetosphere interacting with an accretion disk. II. Transition into a quasi-stationary spherically radial outflow, Astron. Astrophys. 363, 208

Drecker A., Rüdiger G., Hollerbach R.: Global structure of selfexcited magnetic fields arising from Balbus-Hawley instability, Mon. Not. R. Astron. Soc. 317, 45

Wahlgren G. M., Hubrig S.: Emission lines in the spectra of late-B type stars, Astron. Astrophys. 362, L13

Fendt Ch., Dravins D.: Magnetic deformation of the white dwarf surface structure, Astron. Nachr. 321, 193

Rüdiger G., Kitchatinov L. L.: Nonlocal density wave theory for gravitational instability of protoplanetary disks without sharp boundaries, Astron. Nachr. 321, 181

Hubrig S., North P., Medici A.: Rotation and evolution of A stars: looking for progenitors of cool Ap stars, Astron. Astrophys. 359, 306

Elstner D., Otmianowska-Mazur K., von Linden S., Urbanik M.: Galactic magnetic fields and spiral arms. 3D dynamo simulations, Astron. Astrophys. 357, 129

Ziegler U., Rüdiger G.: Angular momentum transport and dynamo-effect in stratified, weakly magnetic disks, Astron. Astrophys. 356, 1141

Hubrig S., North P., Mathys G.: Magnetic Ap stars in H-R diagram, Astrophys. J. 539, 352

Hubrig S., Kharchenko N., Mathys G., North P.: Rapidly oscillating Ap stars versus non-oscillating Ap stars, Astron. Astrophys. 355, 1015

Elstner D., Rüdiger G.: Accretion disk structure of adiabatic and magnetized CTTS-systems, Astron. Astrophys. 358, 612

Shalybkov D., Rüdiger G.: Magnetic field dragging and the vertical structure of thin accretion discs, Mon. Not. R. Astron. Soc. 315, 762

Rüdiger G., Kitchatinov L. L.: Sunspot decay as a test of the eta-quenching concept, Astron. Nachr. 321, 75

Rüdiger G., Küker M.: Rotation law and magnetic field for M dwarf models. In: R. Rebolo & M.R. Zapaterio-Osorio (eds.): Very Loss-Mass Stars and Brown Dwarfs in Stellar Clusters and Associations, p. 204

v. Rekowski M., Rüdiger G., Elstner D.: Structure and magnetic configurations of accretion disk-dynamo models, Astron. Astrophys. 353, 813

Colpi M., Geppert U., Page D.: Period clustering of the anomalous X-Ray pulsar and magnetic field decay in magnetars, Astrophys. J. 529, L29

Konenkov D., Geppert U.: The effect of the neutron star crust on the decay of a core magnetic field, Mon. Not. R. Astron. Soc. 313, 66

Geppert U., Page D., Zannias T.: Magnetic field decay in neutron stars. Analysis of general relativistic effects, Figures, Phys. Rev. D 61, 123004

Page D., Geppert U., Zannias T.: General relativistic treatment of the thermal, magnetic and rotational evolution of isolated neutron stars with crustal magnetic fields, Astron. Astrophys. 360, 1052


Papers 1999


Rüdiger G., Brandenburg A., Pipin V.V. : A helicity proxy from horizontal solar flow patterns, Astron. Nachr. 320, 135

Böhmer S., Rüdiger G. : The influence of Reynolds stress on the solar p-mode frequencies, Astron. Astrophys. 351, 747

Fendt Ch., Elstner D. : Long-term evolution of a dipolar-type magnetosphere interacting with an accretion disk, Astron. Astrophys. 349, L61

Arlt R., Rüdiger G. : Accretion-disk dynamo models with dynamo-induced alpha-effect, Astron. Astrophys. 349, 334

Rohde R., Beck R., Elstner D. : Magnetic arms in NGC 6946 generated by a turbulent dynamo, Astron. Astrophys. 350, 423

Rohde R., Rüdiger G., Elstner D. : Swing excitation of magnetic fields in trailing spiral galaxies?, Astron. Astrophys. 347, 860

Hubrig S., Castelli F., Wahlgreen G. M. : Search for magnetic fields in HgMn stars by using relative strength of multiplet 74 Fe II lines, Astron. Astrophys. 346, 139

Rüdiger G., Primavera L., Arlt R., Elstner D. : Magnetic shear flow instability in thin accretion disks, Mon. Not. R. Astron. Soc. 306, 913

Küker M., Rüdiger G. : Magnetic field generation in weak-line T Tauri stars: An \alpha2-dynamo, Astron. Astrophys. 346, 922

Kitchatinov L.L., Rüdiger G. : Differential rotation models for late-type dwarfs and giants, Astron. Astrophys. 344, 911

Küker M., Arlt R., Rüdiger G. : The Maunder minimum as due Lambda-quenching, Astron. Astrophys. 343, 977

v. Rekowski B., Kitchatinov L. L., Rüdiger, G.: Global vortex systems on standard-accretion disk surfaces, Mon. Not. R. Astron. Soc. 303, 792

Fröhlich H.-E., Rüdiger G. : The vertical eddy-heat flux as a stabilizer of cold accretion disks, Astron. Astrophys. 343, 348

Hubrig S., Castelli F., Mathys G. : Isotopic composition of Hg and Pt in 5 slowly rotating HgMn stars, Astron. Astrophys. 341, 190

Contopoulos I., Kazanas D., Fendt Ch. : The axisymmetric pulsar magnetosphere, Astrophys. J. 511, 351

Fuchs H., Rädler K.-H., Rheinhardt M.: On self-killing and self-creating dynamos, Astron. Nachr. 320, 129

Geppert U., Page D., Zannias T.: Submergence and re-diffusion of the neutron star magnetic field after the supernova, Astron. Astrophys. 345, 847

Possenti A., Colpi M., Geppert U., Burderi L., D'Amico N.: Recycling neutron stars to ultra short periods: A statistical analysis in the µ-p plane, Astrophys. J. Suppl. 125, 463


Papers 1998


Drecker A., Hollerbach R., Rüdiger G. : Viscosity alpha in rotating spherical shear flows with an external magnetic field, Mon. Not. R. Astron. Soc. 298, 1030

Rohde R., Elstner D. : Three-dimensional dynamos in spiral galaxies, Astron. Astrophys. 333, 27

Böhmer S., Rüdiger G. : The influence of turbulence on the solar p-mode frequencies, Astron. Astrophys. 338, 295

Fendt Ch., Beck R., Neininger N. : Spiral pattern in the optical polarisation of NGC 6946, Astron. Astrophys. 335, 123

The vertical structure of the galactic gaseous disk and its relation to the dynamo problem, Astron. Astrophys. 311, 451

Hempelmann A., Schmitt J. H. M. M., Stepien K.: Coronal X-ray emission of cool stars in relation to chromospheric activity and magnetic cycles, Astron. Astrophys. 305, 284

Fuchs H., Rädler K.-H., Rheinhardt M., Schüler M.: Dynamically consistent laminar dynamos., Magnitnaja Gidrodinamika, Vol. 32, No. 4, 447