Magnetic Helicity in Space and Laboratory Plasmas / Edition 1

Magnetic Helicity in Space and Laboratory Plasmas / Edition 1

by Michael R. Brown
     
 

ISBN-10: 0875900941

ISBN-13: 9780875900940

Pub. Date: 05/28/1999

Publisher: Wiley

Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 111.

Using the concept of magnetic helicity, physicists and mathematicians describe the topology of magnetic fields: twisting, writhing, and linkage. Mathematically, helicity is related to linking integrals, which Gauss introduced in the 19th century to describe

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Overview

Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 111.

Using the concept of magnetic helicity, physicists and mathematicians describe the topology of magnetic fields: twisting, writhing, and linkage. Mathematically, helicity is related to linking integrals, which Gauss introduced in the 19th century to describe the paths of asteroids in the sky. In the late 1970s the concept proved to be critical to understand laboratory plasma experiments on magnetic reconnection, dynamos, and magnetic field relaxation. In the late 1980s it proved equally important in understanding turbulence in the solar wind and the interplanetary magnetic field. During the last five years interest in magnetic helicity has grown dramatically in solar physics, and it will continue to grow as observations of vector magnetic fields become increasingly sophisticated.

Product Details

ISBN-13:
9780875900940
Publisher:
Wiley
Publication date:
05/28/1999
Series:
Geophysical Monograph Series, #111
Pages:
304
Product dimensions:
92.50(w) x 11.00(h) x 1.00(d)

Table of Contents

Preface
Michael R. Brown, Richard C. Canfield, and Alexei A. Pertsoy  ix

Utility of the Helicity Concept

Magnetic Helicity in Space Physics
Mitchell A. Berger  1

Implications of Magnetic Helicity Conservation
Allen H. Boozer  11

Influence of Geometry and Topology on Helicity
Jason Cantarella, Dennis DeTurck, Herman Gluck, Mikhail Teytel 17

MagneticE nergya nd Helicityi n Open Systems
B. C. Low  25

Helicity and Its Role in the Varieties of Magnetohydrodynamic  Turbulence
David C. Montgomery and Jason W. Bates 33

Dynamos, Helicity, and the Solar Interior

Planetary Dynamos and Helicities
K. H. Radler  47

Helicity, Relaxation, and Dynamo in a Laboratory Plasma
S. C. Prager  55

Helicity in Large-Scale Dynamo Simulations
Axel Brandenburg 65

Creation of Twist at the Core-Convection Zone Interface
Peter A. Gilman and Paul Charbonneau  75

Flows in the Solar Convection Zone
A. G. Kosovichev  83

Twisted Flux Tubes and How They Get That Way
Dana Longcope, Mark Linton, Alexei Pevtsov, George Fisher, and Isaac Klapper  93

Helicity of the Photospheric Magnetic Field
Alexei A. Pevtsov and Richard C. Canfield  103

Balancea nd Solar-CyclVea riationos f MagneticH elicity
Alexander Ruzmakin   111

Plasma Relaxation and Helicity Conservation

Magnetic Helicity and Relaxation: Theory
Paul M. Bellan  119

Study of Magnetic Helicity and Relaxation Phenomena in Laboratory Plasmas
Masaaki Yamada  129

Magnetic Helicity and Relaxation Phenomena in the Solar Corona
E. R. Priest   141

Magnetic Helicity and Stability in Solar Corona
K. Kusano  149

The Role of Helicity in Magnetic Reconnection

The Evolution of Magnetic Helicity Under Reconnection
G. Hornig   15 7

Helicity, Reconnection, and Dynamo Effects
Hantao Ji  167

Measurements of Helicity and Reconnectioin Electron MHD Plasmas
R. L. Stenzel, J. M. Urrutia, and M.C. Griskey  179

The Role of Helicity in Magnetic Reconnection 3D: Numerical Simulations
Spiro K. Antiochos and C. Richard DeVote  187

Helicity and Reconnectioinn the Solar Corona: Observations
Richard C. Canfield and Alexei A. Pertsoy  197

The Role of Reconnectioin n the Formation of Flux Ropes in the Solar Wind
J. T. Gosling  205

Solar Outer Atmosphere and Magnetosphere

Photospher Micotions as a Source of Twist in Coronal Magnetic Fields
A. A. van Ballegooijen 213

Magnetic Helicity in Solar Filamentas and Coronal Mass Ejections
D. M. Rust  221

Solar Flares, Jets, and Helicity
Kazunari Shibata  229

Solar-Cycle, Radial and Latitudinal Variations of Magnetic Helicity: IMF Observations
Charles W. Smith  239

Magnetic Helicity and Homogeneous Turbulence  Models
William H. Matthaeus  247

Role of Magnetic Helicity in Cosmic Ray Scattering
John W. Bieber  257

The Role of Magnetic Helicity in Magnetospheric Physics
Andrew  N. Wright  267

The Role of Coarse-Grained  Helicity and Self-Organized Criticality in Magnetotail Dynamics
Tom Chang  277

Astrophysical Applications

Galactic and Accretion Disk Dynamos
Ethan T. Vishniac  285

Jets from Magnetized Accretion Disks
Ryoji Matsumoto  293

Conclusion

Magnetic Helicity in Space and Laboratory Plasmas: Editorial Summary
Michael Brown, Richard Canfield, George Field, Russell Kulsrud, Alexei Pevtsov, Robert Rosner, and Norbert Seehafer  301

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