Binary neutron star mergers and short gamma-ray bursts magnetohydrodynamics and electromagnetic emission
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
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2015
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Datensatz im Suchindex
| _version_ | 1819711064116297728 |
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| adam_text | CONTENTS
ABSTRACT
I INTRODUCTION
1 INTRODUCTION AND OUTLINE
1.1 INTRODUCTORY REMARKS
1.2 BINARY NEUTRON STAR MERGERS
1.3 SHORT GAMMA-RAY BURSTS
1.4 OUTLINE OF THE THESIS
REFERENCES
II ARTICLES
OVERVIEW OF ARTICLES
2 MAGNETOROTATIONAL INSTABILITY IN RELATIVISTIC HYPERMASSIVE NEU
TRON STARS
2.1 INTRODUCTION
2.2 NUMERICAL SETUP
2.3 ANALYTICAL PREDICTIONS
2.4 NUMERICAL RESULTS
2.5 CONCLUSIONS
REFERENCES
3 MAGNETIC FIELD AMPLIFICATION IN HYPERMASSIVE NEUTRON STARS VIA
THE MAGNETOROTATIONAL INSTABILITY
3.1 INTRODUCTION
3.2 CAPTURING THE MRI IN HMNSS
3.3 DISCUSSION OF SIMULATION RESULTS
3.4 CONCLUSION
REFERENCES
V
III
1
3
3
6
9
16
19
27
29
33
34
35
36
37
42
43
45
46
47
48
49
51
HTTP://D-NB.INFO/1081775122
CONTENTS
4 MAGNETICALLY DRIVEN WINDS FROM DIFFERENTIALLY ROTATING NEUTRON
STARS AND X-RAY AFTERGLOWS OF SHORT GAMMA-RAY BURSTS 53
4.1 INTRODUCTION 54
4.2 PHYSICAL SYSTEM AND NUMERICAL SETUP 55
4.3 RESULTS 56
4.4 MAGNETIC-DRIVEN WINDS AND X-RAY EMISSION 60
4.5 CONCLUSIONS 62
REFERENCES 64
5 MAGNETICALLY-INDUCED OUTFLOWS FROM BINARY NEUTRON STAR MERGER
REMNANTS 67
5.1 INTRODUCTION 68
5.2 INITIAL DATA AND NUMERICAL SETUP 69
5.3 EVOLUTION, MASS EJECTION, ELECTROMAGNETIC EMISSION 69
5.4 CONCLUSIONS: CONSEQUENCES FOR SGRBS AND X-RAY AFTERGLOWS .... 72
REFERENCES 74
6 SHORT GAMMA-RAY BURSTS IN THE TIME-REVERSAL SCENARIO 77
6.1 INTRODUCTION 78
6.2 PHENOMENOLOGY 79
6.3 TIMING ARGUMENT 82
6.4 COMPUTATION OF DIFFUSION TIMESCALES 82
6.5 DISCUSSION 86
REFERENCES 88
7 SHORT GAMMA-RAY BURSTS FROM BINARY NEUTRON STAR MERGERS: THE
TIME-REVERSAL SCENARIO 91
7.1 INTRODUCTION 92
7.2 TIME-REVERSAL PHENOMENOLOGY 93
7.3 MODEL PREDICTIONS AND SUPPORTING EVIDENCE 94
7.4 CONSTRAINTS ON NEUTRON STAR PROPERTIES 95
7.5 CONCLUDING REMARKS 96
REFERENCES 98
8 ELECTROMAGNETIC EMISSION FROM LONG-LIVED BINARY NEUTRON STAR
MERGER REMNANTS I: FORMULATION OF THE PROBLEM 101
8.1 INTRODUCTION 102
8.2 PHENOMENOLOGY 106
8.3 EVOLUTION EQUATIONS 110
8.4 INGREDIENTS 112
8.4.1 PHASE I: BARYON-LOADED WIND 112
8.4.2 PHASE II: PULSAR WIND SHOCK 117
8.4.3 PHASE III: PULSAR WIND NEBULA 125
8.4.4 COLLAPSE TO A BLACK HOLE 134
VI
CONTENTS
8.5 NUMERICAL PROCEDURE 136
8.5.1 HYDRODYNAMIC WIND EVOLUTION 136
8.5.2 PWN BALANCE EQUATIONS 137
8.5.3 EVOLVING THE MAIN MODEL 138
8.5.4 TIMESCALES 141
8.5.5 SYNCHROTRON SELF-ABSORPTION 142
8.5.6 STIFFNESS PROBLEM 143
8.5.7 OBSERVER LIGHTCURVE RECONSTRUCTION 145
8.6 DISCUSSION AND CONCLUSION 148
APPENDICES 153
8.A RELATIVISTIC RANKINE-HUGONIOT CONDITIONS 153
8.B TRANSFORMATION BETWEEN COMOVING AND LAB FRAME 155
8.C SYNCHROTRON EMISSION 158
8.D ENERGY CONSERVATION IN THE NEBULA 159
REFERENCES 160
9 ELECTROMAGNETIC EMISSION FROM LONG-LIVED BINARY NEUTRON STAR
MERGER REMNANTS II: LIGHTCURVES AND SPECTRA 167
9.1 INTRODUCTION 168
9.2 LIGHTCURVES AND SPECTRA: DEFINITIONS 171
9.3 GENERAL INPUT PARAMETERS & SETUP 172
9.3.1 PARAMETER VALUES 172
9.3.2 ASSUMPTIONS 175
9.4 RESULTS: FIDUCIAL RUN 175
9.4.1 LIGHTCURVE 175
9.4.2 MONITORING THE CONSTRAINTS 181
9.4.3 SPECTRA 184
9.5 RESULTS: INFLUENCE OF PARAMETERS 187
9.5.1 NON-COLLAPSING MODELS 188
9.5.2 COLLAPSING MODELS 192
9.6 LIGHTCURVE MORPHOLOGIES 198
9.6.1 STANDARD SCENARIO 199
9.6.2 TIME-REVERSAL SCENARIO 202
9.7 DISCUSSION AND CONCLUSION 204
REFERENCES 212
III CONCLUSION 217
10 SUMMARY AND DISCUSSION 219
REFERENCES 231
VII
CONTENTS
IV SUPPLEMENTARY MATERIAL 235
A MAX PLANCK YEARBOOK ARTICLE 237
B AEI PRESS RELEASES 245
B.L THE LARGEST MAGNETIC FIELDS IN THE UNIVERSE 245
B.2 IT AIN T MAGIC: TIME-REVERSAL IN NEUTRON STAR COLLISIONS 248
B.3 FAZ ARTICLE 252
ACKNOWLEDGEMENTS 255
VLLL
|
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| indexdate | 2024-12-24T04:45:37Z |
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| spellingShingle | Siegel, Daniel Binary neutron star mergers and short gamma-ray bursts magnetohydrodynamics and electromagnetic emission |
| subject_GND | (DE-588)4113937-9 |
| title | Binary neutron star mergers and short gamma-ray bursts magnetohydrodynamics and electromagnetic emission |
| title_auth | Binary neutron star mergers and short gamma-ray bursts magnetohydrodynamics and electromagnetic emission |
| title_exact_search | Binary neutron star mergers and short gamma-ray bursts magnetohydrodynamics and electromagnetic emission |
| title_full | Binary neutron star mergers and short gamma-ray bursts magnetohydrodynamics and electromagnetic emission von Daniel Siegel |
| title_fullStr | Binary neutron star mergers and short gamma-ray bursts magnetohydrodynamics and electromagnetic emission von Daniel Siegel |
| title_full_unstemmed | Binary neutron star mergers and short gamma-ray bursts magnetohydrodynamics and electromagnetic emission von Daniel Siegel |
| title_short | Binary neutron star mergers and short gamma-ray bursts |
| title_sort | binary neutron star mergers and short gamma ray bursts magnetohydrodynamics and electromagnetic emission |
| title_sub | magnetohydrodynamics and electromagnetic emission |
| topic_facet | Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028618192&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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