The Cosmic Dynamo: Proceedings of the 157th Symposium of the International Astronomical Union, Held in Potsdam, Germany, September 7–11, 1992

Front Matter....Pages i-xxxii
The Solar Dynamo....Pages 1-12
Turbulent Transport of Magnetic Fields and the Solar Dynamo....Pages 13-17
Existence and Energy Balance of the Solar Dynamo....Pages 19-23
Complete Alpha-Tensor for Solar Dynamo....Pages 25-26
Flux Tubes and Dynamos....Pages 27-39
Storage of Magnetic Flux in the Overshoot Region....Pages 41-44
On the Stability of Magnetic Flux Tubes in the Equator of a Star....Pages 45-48
Non-Linear Diamagnetic Transport of the Large-Scale Magnetic Field in the Solar Convection Zone....Pages 49-50
MHD Turbulence in the Solar Wind and Interplanetary Dynamo Effects....Pages 51-57
Solar Coronal Magnetic Fields....Pages 59-61
Nonlinear Coupling Between the 110-Year Periodic Modulations of Solar Differential Rotation and Solar Cycle....Pages 63-69
Can Mean Helicity Fluctuations Explain The Variability of The Solar Cycle?....Pages 71-75
Magnetic Field and Differential Rotation of the Sun....Pages 77-82
Chaos in Nonlinear Dynamo Models....Pages 83-89
On the Dimension of the Solar Activity Attractor....Pages 91-95
Dipole Field, Sunspot Cycle and Solar Dynamo....Pages 97-106
On the Fluctuations of the Total Solar Irradiance....Pages 107-107
Solar and Auroral Activities During the 17th Century....Pages 109-109
Simulating the Solar Dynamo....Pages 111-121
Reynolds Stresses Derived from Simulations....Pages 123-127
A Numerical Approach to Dynamically Consistent Spherical Dynamo Models....Pages 129-133
Asymptotic Model for Large — Scale Quasiheliostrophic Flow....Pages 135-139
Rossby Number or Rotation Period?....Pages 141-145
Alpha-Quenched Alpha-Lambda Dynamos and the Excitation of Nonaxisymmetric Magnetic Fields....Pages 147-151
Magnetic Braking of Late-Type Stars....Pages 153-156
Long-Term Spot Photometry and Differential Rotation of The Spotted Flare Stars EV Lac and By Dra....Pages 157-159
Emission Regions on the Flare Star Ev Lac in 1989....Pages 161-165
The HeI λ10830 Å Observations of Two RS CVn Systems ζ and λ and....Pages 167-169
Dynamo and Fossil Magnetic Field in Young Stars....Pages 171-175
Enhancement of Magnetic Fields in High-Gravity Stars due to an Intrinsic Dynamo Effect....Pages 177-181
Bipolar Flows During Early and Late Phases of Star Evolution....Pages 183-184
Dynamo—Action in Accretion Disks....Pages 185-192
Magnetic fields in thin accretion disks around black holes....Pages 193-196
Generation of Magnetic Fields in Accreting Systems as a Basis of Nonthermal Mode of Energy Release....Pages 197-201
Kinematic Dynamo in Turbulent Circumstellar Disks....Pages 203-207
Dynamo Action in Accretion Disks....Pages 209-210
The Internal Wave Driven Dynamo in Accretion Disks....Pages 211-215
Accretion Disk Flares in Energetic Radiation Fields....Pages 217-218
Bifurcations and Symmetry-Breaking in Simple Models of Nonlinear Dynamos....Pages 219-229
The Magnetic Field Structures of a Class of Fast Dynamos....Pages 231-235
Stationary turbulent dynamo as spontaneous symmetry breaking....Pages 237-241
On the gyrotropic magnetohydrodynamic turbulence....Pages 243-244
The Non-Linear Equations for the Green Function and Calculation of the Magnetic Field Turbulent Diffusivities and α-Effect....Pages 245-248
Dynamo Driven by Weak Plasma Turbulence....Pages 249-250
An improved Reynolds technique for approximate solution of linear stochastic differential equations....Pages 251-252
Calculation of the Electrical Conductivity of Plasmas with Fluctuations of the Electromagnetic Field....Pages 253-254
Inverse Energy Cascade in Advanced MHD Turbulence (The RNG Method)....Pages 255-261
Non-Axisymmetric Magnetic Structure Generation in Planets Sun and Galaxies....Pages 263-267
A Torsion-Induced Coupling Between Electric and Magnetic Fields in the Solar Convection Zone....Pages 269-270
Radio Astronomy Techniques of Observing Magnetic Fields: The Galaxy....Pages 271-277
The Local Magnetic Field in Our Galaxy....Pages 279-281
Galactic Dynamos — a Challenge for Observers....Pages 283-297
The Intrinsic Magnetic Field orientation in NGC4631: Dynamo or Outflow?....Pages 299-303
High Resolution Observations of the Magnetic Field in IC 342....Pages 305-310
Magnetic Fields in the Spiral Galaxy NGC 6946....Pages 311-312
The Magnetic Field of M 51....Pages 313-314
The Magnetic Field of M 83....Pages 315-316
Magnetic Fields in the Irregular Galaxy LMC....Pages 317-319
The Galactic Dynamo: Modes and Models....Pages 321-331
Galactic Dynamos and Dynamics....Pages 333-337
Towards The Magnetic Field of M81....Pages 339-343
Numerical Models of 3-D Galactic Dynamos....Pages 345-348
Nonlinear Dynamo in a Disk Galaxy....Pages 349-353
Boundary Layer in Nonlinear Dynamo....Pages 355-356
Magnetic Field Generation by Galactic Winds....Pages 357-365
Hydromagnetic Dynamo in Astrophysical Jets....Pages 367-371
Nonlinear Interaction Between Magnetic Fields and Spiral Arms....Pages 373-374
Basic Properties of Swing-Excitation Mechanism....Pages 375-380
On the Parametric Resonance in Thin Disk Galactic Dynamo....Pages 381-382
The Full “Alpha-Tensor” Due to Supernovae and Superbubbles in the Galactic Disk....Pages 383-387
The Alpha-Effect by Supernova Explosions....Pages 389-393
Galactic Dynamics and Magnetic Field Amplification....Pages 395-401
Parker Instability and the Galactic Dynamo....Pages 403-404
3D — Numerical Simulations of Magnetic Field Evolution in the Turbulent Interstellar Gas....Pages 405-409
Observational Properties of Helical Magnetic Fields....Pages 411-412
On the Predictive Power of the Minimum Energy Condition....Pages 413-414
Dynamical Galactic Halos....Pages 415-419
Generation of the Seed Magnetic Field....Pages 421-425
Statistical Method for Astrophysical Turbulence Investigation....Pages 427-428
Magnetic Field Generation within Molecular Clouds....Pages 429-430
The Geodynamo....Pages 431-440
A new numerical scheme in the solution of the geodynamo Z-model....Pages 441-445
Time Evolution of the Solution in Model Z....Pages 447-452
Ekman-Hartmann Boundary Layers and the Length of Day Variations....Pages 453-455
Mean Electromotive Force Due to Magnetoconvection in Rotating Horizontal Layer in Dependence on Boundary Conditions....Pages 457-461
The Solar Dynamo and Planetary Dynamo....Pages 463-479
Nonlinear Dynamo of Magnetic Fluctuations and Flux Tubes Formation in the Ionosphere of Venus....Pages 481-486
The Cosmic Dynamo: From t = −∞o to Cowling’s Theorem a Review on History....Pages 487-499