Stellar magnetism:
Gespeichert in:
| Beteilige Person: | |
|---|---|
| Format: | Buch |
| Sprache: | Englisch |
| Veröffentlicht: |
Oxford [u.a.]
Oxford Univ. Press
2012
|
| Ausgabe: | 2. ed. |
| Schriftenreihe: | International series of monographs on physics
154 |
| Schlagwörter: | |
| Links: | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024808796&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Beschreibung: | Frühere Ausg. ersch. als: International series of monographs on physics ; 99 |
| Umfang: | XXI, 715 S. Ill., graph. Darst. |
| ISBN: | 9780199641741 |
Internformat
MARC
| LEADER | 00000nam a2200000 cb4500 | ||
|---|---|---|---|
| 001 | BV039950865 | ||
| 003 | DE-604 | ||
| 005 | 20120322 | ||
| 007 | t| | ||
| 008 | 120312s2012 xx ad|| |||| 00||| eng d | ||
| 020 | |a 9780199641741 |9 978-0-19-964174-1 | ||
| 035 | |a (OCoLC)785848263 | ||
| 035 | |a (DE-599)BSZ359803075 | ||
| 040 | |a DE-604 |b ger | ||
| 041 | 0 | |a eng | |
| 049 | |a DE-11 |a DE-19 | ||
| 084 | |a US 4000 |0 (DE-625)146699: |2 rvk | ||
| 100 | 1 | |a Mestel, Leon |d 1927-2017 |e Verfasser |0 (DE-588)1032635959 |4 aut | |
| 245 | 1 | 0 | |a Stellar magnetism |c Leon Mestel |
| 250 | |a 2. ed. | ||
| 264 | 1 | |a Oxford [u.a.] |b Oxford Univ. Press |c 2012 | |
| 300 | |a XXI, 715 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a International series of monographs on physics |v 154 | |
| 490 | 0 | |a Oxford science publications | |
| 500 | |a Frühere Ausg. ersch. als: International series of monographs on physics ; 99 | ||
| 650 | 4 | |a Stars / Magnetic fields | |
| 650 | 0 | 7 | |a Magnetfeld |0 (DE-588)4074450-4 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Magnetismus |0 (DE-588)4037021-5 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Stern |0 (DE-588)4057342-4 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Stern |0 (DE-588)4057342-4 |D s |
| 689 | 0 | 1 | |a Magnetismus |0 (DE-588)4037021-5 |D s |
| 689 | 0 | |5 DE-604 | |
| 689 | 1 | 0 | |a Stern |0 (DE-588)4057342-4 |D s |
| 689 | 1 | 1 | |a Magnetfeld |0 (DE-588)4074450-4 |D s |
| 689 | 1 | |5 DE-604 | |
| 830 | 0 | |a International series of monographs on physics |v 154 |w (DE-604)BV000106406 |9 154 | |
| 856 | 4 | 2 | |m HBZ Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024808796&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-024808796 | |
Datensatz im Suchindex
| _version_ | 1819365767528841216 |
|---|---|
| adam_text | Titel: Stellar magnetism
Autor: Mestel, Leon
Jahr: 2012
Contents
Figure acknowledgements xvi
Abbreviations in Reference Lists xx
1 Introduction 1
1.1 Historical survey 1
1.2 Stellar magnetic fields 6
Bibliography 11
2 Theoretical basis 13
2.1 Maxwell s equations and the magnetohydrodynamic approximation 13
2.2 Properties of cosmical plasmas 16
2.3 Macroscopic equations for a fully ionized gas: the two-fluid model 19
2.3.1 Equations to the flow of the whole gas 20
2.3.2 The generalized Ohm s law 23
2.4 The energy equation of a fully ionized gas 27
2.5 Kinematic coupling 29
2.6 Dynamical coupling 33
2.7 The three-fluid model 37
2.8 Anomalous resistivity 40
Bibliography 43
3 Applications 45
3.1 Magnetosonic waves 45
3.2 Magnetohydrodynamic shocks 47
3.3 Self-gravitating systems: the virial theorems 52
3.4 Magnetostatic equilibrium: force-free fields 58
3.5 Magnetic helicity 65
3.6 Stability 69
3.6.1 The MHD energy principle 69
3.6.2 Illustrative examples 71
3.6.3 The pinched cylindrical discharge 74
3.6.4 The Kelvin-Helmholtz instability 79
3.6.5 Stability of rotating systems 82
3.7 Effects of dissipation: reconnection 84
3.7.1 Reconnection in a medium at rest 85
3.7.2 The Sweet-Parker model 88
3.7.3 Fast reconnection 91
3.7.4 Hall reconnection 95
3.8 Macroscopic dissipation 97
Appendix: Poloidal and toroidal fields 99
Bibliography 100
Magnetism and convection 104
4.1 Introduction 104
4.2 The angular velocity distribution in a convective zone 108
4.2.1 The Reynolds stresses 108
4.2.2 Departure from adiabaticity 111
4.3 The effect of convective motions on an imposed magnetic field 115
4.4 A strong imposed field and the onset of convection 120
4.4.1 Imposed field vertical 120
4.4.2 Imposed field horizontal 123
4.5 Non-linear theory: recent developments 124
4.5.1 The non-magnetic problem 125
4.5.2 Magnetoconvection 129
4.6 Sunspots, pores, and isolated flux tubes 134
4.7 Magnetic buoyancy 137
4.7.1 Flux tubes 137
4.7.2 Instability in magnetically supported domains 139
4.7.3 Non-linear developments 140
4.8 Solar activity 141
4.8.1 Flux tube dynamics 142
4.8.2 Chromospheric and coronal MHD 148
Bibliography 153
Magnetic fields in stellar interiors 160
5.1 General considerations 160
5.2 Magnetic fields and stellar rotation 162
5.2.1 Axisymmetric states 162
5.2.2 Quasi-steady , non-axisymmetric states 166
5.3 Stability 167
5.4 Laminar meridian flow in radiative domains 171
5.5 The interaction between rotation, magnetism, and circulation 176
5.5.1 Steady-state integrals 176
5.5.2 Equatorial acceleration 179
5.5.3 The approach to a quasi-steady state 180
5.6 Ohmic decay of primeval magnetic fields 183
5.6.1 Decay of a purely poloidal field 183
5.6.2 Decay of a mixed poloidal-toroidal field 185
5.7 The Biermann battery process 188
5.7.1 Coupling with a poloidal field 189
5.7.2 The effect of chemical inhomogeneities 191
5.8 An introduction to the stellar dynamo problem 193
5.8.1 Cowling s anti-dynamo theorem 193
5.8.2 Mass motions and the rate of decay 196
Bibliography 198
Dynamo processes in stars 201
6.1 Introduction 201
6.2 Laminar kinematic dynamos 203
6.3 The Parker model 207
6.4 Turbulent dynamos 210
6.4.1 Mean-field electrodynamics: the classical treatment 210
6.4.2 Isotropic turbulence 217
6.4.3 Kinematics and dynamics in the low Reynolds number
domain 219
6.5 Kinematic models of the turbulent dynamo 222
6.5.1 General discussion 222
6.5.2 The aft dynamo 224
6.5.3 A model with separate shear and a-effect zones 225
6.6 Non-linear dynamical feedback 230
6.6.1 Buoyancy-limited growth 230
6.6.2 Magnetic back-reaction: modulated cycles 232
6.7 Fundamental problems 236
6.7.1 The a-effect and helicity 236
6.7.2 The dynamical back-reaction 238
6.7.3 Analytical treatment 239
6.8 The role of magnetic helicity in the dynamo problem 241
6.8.1 Magnetic helicity evolution 241
6.8.2 Dynamical a-quenching in closed or periodic domains 243
6.8.3 Mean-field models with magnetic helicity flux 245
6.9 Numerical simulations 246
6.9.1 a- and 77-quenching 246
6.9.2 Further numerical work: a return to first principles 248
6.10 Dynamo action guided by a strong pre-existing field 250
6.10.1 A dynamo driven by the instability of strong flux tubes 251
6.10.2 A two-dimensional flux tube model 254
6.11 Conclusions 256
Bibliography 257
Stellar winds: magnetic braking 263
7.1 Introduction 263
7.2 The braking of axisymmetric systems 265
7.3 The wind theory 267
7.4 The structure of the poloidal field 270
7.4.1 General discussion 270
7.4.2 A numerical attack 273
7.4.3 Asymptotic behaviour 276
7.5 A simple field model 280
7.6 The rate of braking 284
7.7 A digression on the micro-physics 286
7.8 Magnetic braking of the oblique rotator 289
7.8.1 The generalized wind theory 289
7.8.2 The gross dynamics of the star 292
7.8.3 The effect of the thermo-centrifugal wind 293
7.9 Winds driven by Alfven waves 295
7.10 The solar wind revisited 301
7.11 Radiation-driven winds from hot early-type stars 304
Appendix A: Alfven waves in a multi-component plasma 307
Appendix B: The axisymmetric magnetic rotator: the energetics 308
Bibliography 310
Late-type stars 313
8.1 Introduction 313
8.2 The solar-stellar connection 315
8.2.1 The rapidly rotating dwarf star AB Doradus 319
8.3 The rotational history of late-type main-sequence stars 322
8.4 The Sun: new observational material 330
8.4.1 Solar activity: the solar cycle 330
8.4.2 The internal solar rotation 332
8.5 Phenomenological studies of the solar dynamo 336
8.6 The solar dynamo revisited 339
8.6.1 Historical resume 339
8.6.2 Current ideas on the solar dynamo 343
8.7 Further recent computations 345
8.7.1 The rotation of the convective envelope 345
8.7.2 Dynamo action 351
8.8 The tachocline 355
8.8.1 Non-magnetic theory 355
8.8.2 Subsequent developments: gyroscopic pumping and
magnetohydrodynamic theory 358
8.8.3 A slow tachocline dynamo 363
8.8.4 Application to tachocline dynamics 368
8.8.5 The Li problem 370
8.8.6 Resume 371
8.8.7 Subsequent developments 373
8.9 The solar-stellar connection revisited 375
8.9.1 Sub-solar-mass stars 375
8.9.2 Young solar-mass stars 377
8.10 Return to the standard dynamo equations 379
8.10.1 Modulation of cyclic activity 380
8.10.2 Rapidly rotating late-type stars 387
8.10.3 Evolved stars 392
8.10.4 Non-axisymmetric field generation 394
Bibliography 396
9 The early-type magnetic stars 407
9.1 The basic observational data: historical summary 407
9.1.1 Field-structure modelling 409
9.1.2 Correlations 412
9.1.3 Evolution 413
9.1.4 Problems 414
9.2 Stability of large-scale stellar magnetic fields 415
9.3 The dynamics of the oblique rotator: the Eulerian nutation and
the consequent internal motions 417
9.3.1 The construction of a unique E-field 421
9.3.2 Consequences of the E-motions 424
9.3.3 Dissipation of the E-motions 425
9.4 Non-uniform rotation and the oblique rotator model 428
9.5 Models of rotating magnetic stars 431
9.5.1 Axisymmetric radiative zones 432
9.5.2 Models with thermally-driven circulation 433
9.5.3 Generalizations 435
9.6 Magnetic torques acting on the oblique rotator: spin-down,
spin-up, and changes in obliquity 438
9.6.1 Braking processes in the pre-main-sequence and
main-sequence epochs 438
9.6.2 Changes in obliquity 442
9.7 The origin of the field 449
9.7.1 Recapitulation 453
9.8 Abundance anomalies 456
9.9 The roAp phenomenon 460
Appendix A: Stellar atmospheres 463
Al The atmospheres of non-magnetic stars 463
A2 Magnetic star atmospheres 466
Appendix B: Evolution of a dynamically stable magnetic
field: an analytical treatment 472
Bibliography 489
General references 495
10 Pre-main-sequence stars 496
10.1 The later stages of star formation 496
10.2 Magnetic accretion discs 501
10.2.1 The magnetosphere 502
10.2.2 Canonical disc theory: angular momentum transport 504
10.2.3 An illustrative model 506
10.2.4 The estimated net torque 508
10.3 Pre-main-sequence rotational evolution 510
10.4 Later developments 516
10.4.1 X-ray observations 516
10.4.2 Accretion disc theory: later developments 517
10.4.3 Models with reduced magnetic coupling between
star and disc 518
10.4.4 Numerical simulations 520
10.4.5 Disc locking 521
10.5 Instability in a magnetic rotating disc 522
10.5.1 The magneto-rotational instability 523
10.5.2 A more formal treatment 526
10.5.3 Angular momentum transport in a thin radiative disc 530
10.6 Disc dynamos 532
10.6.1 Applications of the standard dynamo equations 532
10.6.2 Dynamo action driven by the magneto-rotational
instability 536
10.6.3 Comments and queries 538
10.7 Centrifugal winds from discs 538
10.7.1 Cold, centrifugally-driven winds 539
10.7.2 The flow near the disc surface 542
10.8 Collimation 545
10.8.1 Toroidal field collimation 545
10.8.2 Detailed models 548
10.8.3 Collimation by the poloidal field 554
10.9 Conclusion 557
Appendix A: The model of Section 10.2: canonical disc theory 557
Appendix B: Other instabilities in discs 564
Bibliography 569
11 Magnetism and star formation I 576
11.1 Introduction 576
11.2 Magneto-thermo-gravitational equilibrium 580
11.2.1 A spherical cloud model 580
11.2.2 A spheroidal model 583
11.2.3 Resume 589
11.3 Applications 589
11.3.1 The accumulation length 589
11.3.2 The B-p relations in a cool cloud 591
11.3.3 Strongly turbulent clouds 594
11.4 Gravitational collapse under flux-freezing: possible fragmentation 595
11.5 The angular momentum problem 601
11.6 Magnetic braking by Alfven waves 605
11.6.1 An axisymmetric cylindrical model 605
11.6.2 Braking by a radially distorted field 608
11.6.3 Magnetic braking and gravitational contraction 610
11.6.4 A perpendicular magnetic rotator 612
11.6.5 Fragmentation of a rotating magnetic cloud 613
11.7 Flux leakage 614
11.7.1 Ambipolar diffusion 614
11.7.2 Quasi-steady contraction of an oblate spheroidal model 619
Appendix A: The model of Figure 11.2 623
Appendix B: Magnetic braking by Alfven waves: detailed
treatment 627
12 Magnetism and star formation II 636
12.1 Resume 636
12.2 Magneto-gravitational equilibrium: exact disc-like models 640
12.2.1 Finite disc models 640
12.2.2 Infinite disc models 645
12.2.3 Collapsed core models 648
12.2.4 Disc models with partial turbulent support 650
12.2.5 Magneto-gravitational equilibrium: summary 653
12.3 Magneto-turbulent cloud models 654
12.4 Evolution through flux diffusion 657
12.5 Gravitational collapse 660
12.6 Field line detachment 661
12.7 Flux leakage 663
12.8 Magnetic levitation ? 664
12.9 Alfvenic turbulence 671
12.9.1 Non-dissipative theory 671
12.9.2 The effect of dissipation 676
12.10 Turbulent ambipolar diffusion 679
12.11 The future 680
12.11.1 Magneto-turbulence and star formation 680
12.12 Summary 684
Appendix A: Exact disc-like models 687
Appendix B: Magnetized singular isothermal toroids 692
Appendix C: Isopedic disc models 696
Appendix D: Turbulent ambipolar diffusion 699
Bibliography (Chapters 11 and 12) 704
Index 710
|
| any_adam_object | 1 |
| author | Mestel, Leon 1927-2017 |
| author_GND | (DE-588)1032635959 |
| author_facet | Mestel, Leon 1927-2017 |
| author_role | aut |
| author_sort | Mestel, Leon 1927-2017 |
| author_variant | l m lm |
| building | Verbundindex |
| bvnumber | BV039950865 |
| classification_rvk | US 4000 |
| ctrlnum | (OCoLC)785848263 (DE-599)BSZ359803075 |
| discipline | Physik |
| edition | 2. ed. |
| format | Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01798nam a2200457 cb4500</leader><controlfield tag="001">BV039950865</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20120322 </controlfield><controlfield tag="007">t|</controlfield><controlfield tag="008">120312s2012 xx ad|| |||| 00||| eng d</controlfield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">9780199641741</subfield><subfield code="9">978-0-19-964174-1</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)785848263</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BSZ359803075</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-11</subfield><subfield code="a">DE-19</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">US 4000</subfield><subfield code="0">(DE-625)146699:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Mestel, Leon</subfield><subfield code="d">1927-2017</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)1032635959</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Stellar magnetism</subfield><subfield code="c">Leon Mestel</subfield></datafield><datafield tag="250" ind1=" " ind2=" "><subfield code="a">2. ed.</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Oxford [u.a.]</subfield><subfield code="b">Oxford Univ. Press</subfield><subfield code="c">2012</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">XXI, 715 S.</subfield><subfield code="b">Ill., graph. Darst.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="1" ind2=" "><subfield code="a">International series of monographs on physics</subfield><subfield code="v">154</subfield></datafield><datafield tag="490" ind1="0" ind2=" "><subfield code="a">Oxford science publications</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Frühere Ausg. ersch. als: International series of monographs on physics ; 99</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Stars / Magnetic fields</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Magnetfeld</subfield><subfield code="0">(DE-588)4074450-4</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Magnetismus</subfield><subfield code="0">(DE-588)4037021-5</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Stern</subfield><subfield code="0">(DE-588)4057342-4</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Stern</subfield><subfield code="0">(DE-588)4057342-4</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="1"><subfield code="a">Magnetismus</subfield><subfield code="0">(DE-588)4037021-5</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="689" ind1="1" ind2="0"><subfield code="a">Stern</subfield><subfield code="0">(DE-588)4057342-4</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2="1"><subfield code="a">Magnetfeld</subfield><subfield code="0">(DE-588)4074450-4</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="830" ind1=" " ind2="0"><subfield code="a">International series of monographs on physics</subfield><subfield code="v">154</subfield><subfield code="w">(DE-604)BV000106406</subfield><subfield code="9">154</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">HBZ Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024808796&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="943" ind1="1" ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-024808796</subfield></datafield></record></collection> |
| id | DE-604.BV039950865 |
| illustrated | Illustrated |
| indexdate | 2024-12-20T16:05:58Z |
| institution | BVB |
| isbn | 9780199641741 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024808796 |
| oclc_num | 785848263 |
| open_access_boolean | |
| owner | DE-11 DE-19 DE-BY-UBM |
| owner_facet | DE-11 DE-19 DE-BY-UBM |
| physical | XXI, 715 S. Ill., graph. Darst. |
| publishDate | 2012 |
| publishDateSearch | 2012 |
| publishDateSort | 2012 |
| publisher | Oxford Univ. Press |
| record_format | marc |
| series | International series of monographs on physics |
| series2 | International series of monographs on physics Oxford science publications |
| spellingShingle | Mestel, Leon 1927-2017 Stellar magnetism International series of monographs on physics Stars / Magnetic fields Magnetfeld (DE-588)4074450-4 gnd Magnetismus (DE-588)4037021-5 gnd Stern (DE-588)4057342-4 gnd |
| subject_GND | (DE-588)4074450-4 (DE-588)4037021-5 (DE-588)4057342-4 |
| title | Stellar magnetism |
| title_auth | Stellar magnetism |
| title_exact_search | Stellar magnetism |
| title_full | Stellar magnetism Leon Mestel |
| title_fullStr | Stellar magnetism Leon Mestel |
| title_full_unstemmed | Stellar magnetism Leon Mestel |
| title_short | Stellar magnetism |
| title_sort | stellar magnetism |
| topic | Stars / Magnetic fields Magnetfeld (DE-588)4074450-4 gnd Magnetismus (DE-588)4037021-5 gnd Stern (DE-588)4057342-4 gnd |
| topic_facet | Stars / Magnetic fields Magnetfeld Magnetismus Stern |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024808796&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV000106406 |
| work_keys_str_mv | AT mestelleon stellarmagnetism |