Piran, Tsvi (2005) Magnetic Fields in Gamma-Ray Bursts: A Short Overview. In: Magnetic fields in the universe: from laboratory and stars to primordial structures. AIP Conference Proceedings. No.784. American Institute of Physics , Melville, NY, pp. 164-174. ISBN 0-7354-0273-6. https://resolver.caltech.edu/CaltechAUTHORS:20110809-150816789
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Abstract
Magnetic fields play a crucial role in the physics of Gamma-Ray Bursts (GRBs). Strong observational evidence indicates that the observed afterglow and most likely the prompt emission arise from synchrotron emission. It is possible that Poynting flux plays an important or even dominant role in the relativistic outflow from the inner engine, but like in other astronomical relativistic jets this suggestion is controversial. Finally, it is likely that magnetic fields larger than 10^(15) G occur within GRBs’ inner engines and contribute to the acceleration and collimation of the relativistic jets. I review here the GRB fireball model and discuss the role that magnetic fields play in its various components. I suggest that the early afterglow, that reflects the initial interaction of the relativistic jet with its surrounding matter is the best available tool to explore the nature of relativistic outflow in astronomical relativistic jets.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2005 American Institute of Physics. Issue Date: 28 September 2005. I thank Ehud Nakar for many helpful discussions. This research was supported in part by a US-Israel BSF grant. | ||||||
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| Subject Keywords: | Gamma-Ray Bursts; magnetic fields; shock waves | ||||||
| Series Name: | AIP Conference Proceedings | ||||||
| Issue or Number: | 784 | ||||||
| Classification Code: | PACS: 98.70.Rz, 47.65.+a, 47.75.+f, 52.35. | ||||||
| DOI: | 10.1063/1.2077181 | ||||||
| Record Number: | CaltechAUTHORS:20110809-150816789 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20110809-150816789 | ||||||
| Official Citation: | Magnetic Fields in Gamma-Ray Bursts: A Short Overview Tsvi Piran, AIP Conf. Proc. 784, 164 (2005), DOI:10.1063/1.2077181 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 24769 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 12 Sep 2011 16:24 | ||||||
| Last Modified: | 09 Nov 2021 16:26 |
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