Solar and Stellar Dynamos:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Berlin [u.a.]
Springer
2013
|
| Schriftenreihe: | Saas-Fee Advanced Courses
39 |
| Schlagworte: | |
| Online-Zugang: | TUM01 UBT01 Volltext Inhaltsverzeichnis Abstract |
| Beschreibung: | Astrophysical dynamos are at the heart of cosmic magnetic fields of a wide range of scales, from planets and stars to entire galaxies. This book presents a thorough, step-by-step introduction to solar and stellar dynamos. Looking first at the ultimate origin of cosmic seed magnetic fields, the antagonists of field amplification are next considered: resistive decay, flux expulsion, and flows ruled out by anti-dynamo theorems. Two kinematic flows that can act as dynamos are then studied: the Roberts cell and the CP-flow. Mean-field electrodynamics and derivation of the mean-field dynamo equations lead to the alpha Omega-dynamo, the flux transport dynamo, and dynamos based on the Babcock-Leighton mechanism. Alternatives to the mean-field theory are also presented, as are global MHD dynamo simulations. Fluctuations and grand minima in the solar cycle are discussed in terms of dynamo modulations through stochastic forcing and nonlinear effects. The book concludes with an overview of the major challenges in understanding stellar magnetic fields and their evolution in terms of various dynamo models, global MHD simulations, and fossil fields. Each chapter is accompanied by an annotated bibliography, guiding the readers to the relevant technical literature, which may lead them to carry out their own research in the field of dynamo theory. |
| Beschreibung: | 1 Online-Ressource |
| ISBN: | 9783642320934 |
| DOI: | 10.1007/978-3-642-32093-4 |
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Datensatz im Suchindex
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|---|---|
| adam_text | SOLAR AND STELLAR DYNAMOS
/ CHARBONNEAU, PAUL
: 2013
TABLE OF CONTENTS / INHALTSVERZEICHNIS
1 MAGNETOHYDRODYNAMICS
2 DECAY AND AMPLIFICATION OF MAGNETIC FIELDS
3 DYNAMO MODELS OF THE SOLAR CYCLE
4 FLUCTUATIONS, INTERMITTENCY AND PREDICTIVITY
5 STELLAR DYNAMOS
A USEFUL IDENTITIES AND THEOREMS FROM VECTOR CALCULUS
B COORDINATE SYSTEMS AND THE FLUID EQUATIONS
C PHYSICAL AND ASTRONOMICAL CONSTANTS
D MAXWELL’S EQUATIONS AND PHYSICAL UNITS
INDEX
DIESES SCHRIFTSTUECK WURDE MASCHINELL ERZEUGT.
SOLAR AND STELLAR DYNAMOS
/ CHARBONNEAU, PAUL
: 2013
ABSTRACT / INHALTSTEXT
ASTROPHYSICAL DYNAMOS ARE AT THE HEART OF COSMIC MAGNETIC FIELDS OF A
WIDE RANGE OF SCALES, FROM PLANETS AND STARS TO ENTIRE GALAXIES. THIS
BOOK PRESENTS A THOROUGH, STEP-BY-STEP INTRODUCTION TO SOLAR AND STELLAR
DYNAMOS. LOOKING FIRST AT THE ULTIMATE ORIGIN OF COSMIC SEED MAGNETIC
FIELDS, THE ANTAGONISTS OF FIELD AMPLIFICATION ARE NEXT CONSIDERED:
RESISTIVE DECAY, FLUX EXPULSION, AND FLOWS RULED OUT BY ANTI-DYNAMO
THEOREMS. TWO KINEMATIC FLOWS THAT CAN ACT AS DYNAMOS ARE THEN STUDIED:
THE ROBERTS CELL AND THE CP-FLOW. MEAN-FIELD ELECTRODYNAMICS AND
DERIVATION OF THE MEAN-FIELD DYNAMO EQUATIONS LEAD TO THE ALPHA
OMEGA-DYNAMO, THE FLUX TRANSPORT DYNAMO, AND DYNAMOS BASED ON THE
BABCOCK-LEIGHTON MECHANISM. ALTERNATIVES TO THE MEAN-FIELD THEORY ARE
ALSO PRESENTED, AS ARE GLOBAL MHD DYNAMO SIMULATIONS. FLUCTUATIONS AND
GRAND MINIMA IN THE SOLAR CYCLE ARE DISCUSSED IN TERMS OF DYNAMO
MODULATIONS THROUGH STOCHASTIC FORCING AND NONLINEAR EFFECTS. THE BOOK
CONCLUDES WITH AN OVERVIEW OF THE MAJOR CHALLENGES IN UNDERSTANDING
STELLAR MAGNETIC FIELDS AND THEIR EVOLUTION IN TERMS OF VARIOUS DYNAMO
MODELS, GLOBAL MHD SIMULATIONS, AND FOSSIL FIELDS. EACH CHAPTER IS
ACCOMPANIED BY AN ANNOTATED BIBLIOGRAPHY, GUIDING THE READERS TO THE
RELEVANT TECHNICAL LITERATURE, WHICH MAY LEAD THEM TO CARRY OUT THEIR
OWN RESEARCH IN THE FIELD OF DYNAMO THEORY
DIESES SCHRIFTSTUECK WURDE MASCHINELL ERZEUGT.
|
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| spelling | Charbonneau, Paul Verfasser aut Solar and Stellar Dynamos Paul Charbonneau. Ed. by O. Steiner Berlin [u.a.] Springer 2013 1 Online-Ressource txt rdacontent c rdamedia cr rdacarrier Saas-Fee Advanced Courses 39 Astrophysical dynamos are at the heart of cosmic magnetic fields of a wide range of scales, from planets and stars to entire galaxies. This book presents a thorough, step-by-step introduction to solar and stellar dynamos. Looking first at the ultimate origin of cosmic seed magnetic fields, the antagonists of field amplification are next considered: resistive decay, flux expulsion, and flows ruled out by anti-dynamo theorems. Two kinematic flows that can act as dynamos are then studied: the Roberts cell and the CP-flow. Mean-field electrodynamics and derivation of the mean-field dynamo equations lead to the alpha Omega-dynamo, the flux transport dynamo, and dynamos based on the Babcock-Leighton mechanism. Alternatives to the mean-field theory are also presented, as are global MHD dynamo simulations. Fluctuations and grand minima in the solar cycle are discussed in terms of dynamo modulations through stochastic forcing and nonlinear effects. The book concludes with an overview of the major challenges in understanding stellar magnetic fields and their evolution in terms of various dynamo models, global MHD simulations, and fossil fields. Each chapter is accompanied by an annotated bibliography, guiding the readers to the relevant technical literature, which may lead them to carry out their own research in the field of dynamo theory. Physics Magnetism Astrophysics and Astroparticles Plasma Physics Optics and Electrodynamics Magnetism, Magnetic Materials Nonlinear Dynamics (DE-588)1071861417 Konferenzschrift gnd-content Steiner, Oskar Sonstige oth Erscheint auch als Druckausgabe 978-3-642-32092-7 Saas-Fee Advanced Courses 39 (DE-604)BV041730035 39 https://doi.org/10.1007/978-3-642-32093-4 Verlag Volltext Springer Fremddatenuebernahme application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025731123&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis Springer Fremddatenuebernahme application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025731123&sequence=000003&line_number=0002&func_code=DB_RECORDS&service_type=MEDIA Abstract |
| spellingShingle | Charbonneau, Paul Solar and Stellar Dynamos Saas-Fee Advanced Courses Physics Magnetism Astrophysics and Astroparticles Plasma Physics Optics and Electrodynamics Magnetism, Magnetic Materials Nonlinear Dynamics |
| subject_GND | (DE-588)1071861417 |
| title | Solar and Stellar Dynamos |
| title_auth | Solar and Stellar Dynamos |
| title_exact_search | Solar and Stellar Dynamos |
| title_full | Solar and Stellar Dynamos Paul Charbonneau. Ed. by O. Steiner |
| title_fullStr | Solar and Stellar Dynamos Paul Charbonneau. Ed. by O. Steiner |
| title_full_unstemmed | Solar and Stellar Dynamos Paul Charbonneau. Ed. by O. Steiner |
| title_short | Solar and Stellar Dynamos |
| title_sort | solar and stellar dynamos |
| topic | Physics Magnetism Astrophysics and Astroparticles Plasma Physics Optics and Electrodynamics Magnetism, Magnetic Materials Nonlinear Dynamics |
| topic_facet | Physics Magnetism Astrophysics and Astroparticles Plasma Physics Optics and Electrodynamics Magnetism, Magnetic Materials Nonlinear Dynamics Konferenzschrift |
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