Impact factor of Chinese Physics C is 3.6 in 2022 2021 Impact Factor 2.944
Advanced Search
Chinese Physics C> 2017, Vol. 41> Issue(4) : 045101 DOI: 10.1088/1674-1137/41/4/045101

Polarization of gamma-ray burst afterglows in the synchrotron self-Compton process from a highly relativistic jet

  • 1.

      Department of Physics, Chongqing University, Chongqing 401331, China

  • 2.

     Department of Physics, Chongqing University, Chongqing 401331, China

  • 3.

     State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics,Chinese Academy of Sciences, Beijing 100190, China

  • 4.

      Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

  • Linear polarization has been observed in both the prompt phase and afterglow of some bright gamma-ray bursts (GRBs). Polarization in the prompt phase spans a wide range, and may be as high as ≳50%. In the afterglow phase, however, it is usually below 10%. According to the standard fireball model, GRBs are produced by synchrotron radiation and Compton scattering process in a highly relativistic jet ejected from the central engine. It is widely accepted that prompt emissions occur in the internal shock when shells with different velocities collide with each other, and the magnetic field advected by the jet from the central engine can be ordered on a large scale. On the other hand, afterglows are often assumed to occur in the external shock when the jet collides with interstellar medium, and the magnetic field produced by the shock through, for example, Weibel instability, is possibly random. In this paper, we calculate the polarization properties of the synchrotron self-Compton process from a highly relativistic jet, in which the magnetic field is randomly distributed in the shock plane. We also consider the generalized situation where a uniform magnetic component perpendicular to the shock plane is superposed on the random magnetic component. We show that it is difficult for the polarization to be larger than 10% if the seed electrons are isotropic in the jet frame. This may account for the observed upper limit of polarization in the afterglow phase of GRBs. In addition, if the random and uniform magnetic components decay with time at different speeds, then the polarization angle may change 90° during the temporal evolution.
      PCAS:
  • 加载中

  • References

    [1] T. Piran, Phys. Rep., 314:575 (1999)
    [2] P. Mszros, Rep. Prog. Phys., 69:2259 (2006)
    [3] P. Kumar and B. Zhang, Phys. Rep., 561:1 (2015)
    [4] W. Coburn and S. E. Boggs, Nature, 423:415 (2003)
    [5] E. Kalemci, S. E. Boggs, C. Kouveliotou et al, ApJS, 169:75 (2007)
    [6] S. McGlynn, D. J. Clark, A. J. Dean et al, AA, 466:895 (2007)
    [7] D. Gtz, P. Laurent, F. Lebrun et al, ApJ, 695:L208 (2009)
    [8] D. Yonetoku, T. Murakami, S. Gunji et al, ApJL, 743:L30 (2011)
    [9] D. Yonetoku, T. Murakami, S. Gunji et al, ApJL, 758:L1 (2012)
    [10] R. E. Rutledge and D. B. Fox, MNRAS, 350:1288 (2004)
    [11] J. Hjorth, G. Bjrnsson, M. I. Andersen et al, Science, 283:2073 (1999)
    [12] S. Covino, D. Lazzati, D. Malesani et al, AA, 392:865 (2002)
    [13] D. Bersier, B. McLeod, P. M. Garnavich et al, ApJ, 583:L63 (2003)
    [14] I. A. Steele, C. G. Mundell, R. J. Smith et al, Nature, 462:767 (2009)
    [15] C. G. Mundell, D. Kopac, D. M. Arnold et al, Nature, 504:119 (2013)
    [16] M. Matsumiya and K. Ioka, ApJ, 595:L25 (2003)
    [17] K. Wiersema, P. A. Curran, T. Kruhler et al, MNRAS, 426:2 (2012)
    [18] K. Wiersema, S. Covino, K. Toma et al, Nature, 509:201 (2014)
    [19] S. Covino and D. Gtz, arXiv:1605.03588 (2016)
    [20] J. Granot, ApJ, 596:L17 (2003)
    [21] J. Granot and A. Knigl, ApJ, 594:L83 (2003)
    [22] E. Nakar, T. Piran, and E. Waxman, JCAP, 10:005 (2003)
    [23] M. X. Lan, X. F. Wu, and Z. G. Dai, ApJ, 816:73 (2016)
    [24] E. Waxman, Nature, 423:388 (2003)
    [25] G. Ghisellini and D. Lazzati, MNRAS, 309:L7 (1999)
    [26] K. Toma, T. Sakamoto, B. Zhang et al, ApJ, 698:1042 (2009)
    [27] C. Fendt and R. Ouyed, ApJ, 608:378 (2004)
    [28] H. C. Spruit, F. Daigne, and G. Drenkhahn, AA, 369:694 (2001)
    [29] A. Gruzinov and E. Waxman, ApJ, 511:852 (1999)
    [30] M. V. Medvedev and A. Loeb, ApJ, 526:697 (1999)
    [31] D. Lazzati, E. Rossi, G. Ghisellini et al, MNRAS, 347:L1 (2004)
    [32] H. Krawczynski, ApJ, 744:30 (2012)
    [33] Z. Chang, Y. G. Jiang, and H.-N. Lin, ApJ, 769:70 (2013)
    [34] Z. Chang, Y. G. Jiang, and H.-N. Lin, ApJ, 780:68 (2014)
    [35] Z. Chang, H.-N. Lin, and Y. G. Jiang, ApJ, 783:30 (2014)
    [36] Z. Chang, H.-N. Lin, MNRAS, 445:4105 (2014)
    [37] P. Veres, B. B. Zhang, and P. Mszros, ApJ, 764:94 (2013)
    [38] P. Mszros and M. J. Rees, ApJ, 733:L40 (2011)
    [39] P. Veres and P. Mszros, ApJ, 755:12 (2012)
    [40] G. Drenkhahn, AA, 387:714 (2002)
    [41] G. Drenkhahn and H. C. Spuit, AA, 391:1141 (2002)
    [42] R. Sari and A. A. Esin, ApJ, 548:787 (2001)
    [43] Z. Chang and H.-N. Lin, ApJ, 795:36 (2014)
    [44] G. B. Rybicki and A. P. Lightman, Radiative Processes in Astrophysics (New York:Wiley, 1979)
    [45] R. Sari, ApJ, 524:L43 (1999)
    [46] A. I. Akhiezer and V. B. Berestetskii, Quantum Electrodynamics (Second edition, New York:Interscience Publishers, 1965)
    [47] V. B. Berestetskii, E. M. Lifshitz, and L. P. Pitaevskii, Quantum Electrodynamics (New York:Pergamon Press, 1982)
    [48] W. J. Cocke and A. A. Holm, Nature Physical Science, 240:161 (1972)

  • Access

    加载中

Get Citation
Hai-Nan Lin, Xin Li and Zhe Chang. Polarization of gamma-ray burst afterglows in the synchrotron self-Compton process from a highly relativistic jet[J]. Chinese Physics C, 2017, 41(4): 045101. doi: 10.1088/1674-1137/41/4/045101
Hai-Nan Lin, Xin Li and Zhe Chang. Polarization of gamma-ray burst afterglows in the synchrotron self-Compton process from a highly relativistic jet[J]. Chinese Physics C, 2017, 41(4): 045101.  doi: 10.1088/1674-1137/41/4/045101 shu
Milestone
Received: 2016-11-02
Fund

    Supported by Fundamental Research Funds for the Central Universities (106112016CDJCR301206), National Natural Science Fund of China (11375203, 11603005), and Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China (Y5KF181CJ1)

Article Metric

Article Views(1293)
PDF Downloads(48)
Cited by(0)
Policy on re-use
To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

  1. 本站搜索
  2. 百度学术搜索
  3. 万方数据库搜索
  4. CNKI搜索

Email This Article

Title:
Email:

Polarization of gamma-ray burst afterglows in the synchrotron self-Compton process from a highly relativistic jet

    Corresponding author: Hai-Nan Lin,
    Corresponding author: Xin Li,
    Corresponding author: Zhe Chang,
  • 1.  Department of Physics, Chongqing University, Chongqing 401331, China
  • 2. Department of Physics, Chongqing University, Chongqing 401331, China
  • 3. State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics,Chinese Academy of Sciences, Beijing 100190, China
  • 4.  Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • Received Date: 2016-11-02
  • Available Online: 2017-04-05
Fund Project:  Supported by Fundamental Research Funds for the Central Universities (106112016CDJCR301206), National Natural Science Fund of China (11375203, 11603005), and Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China (Y5KF181CJ1)

Abstract: Linear polarization has been observed in both the prompt phase and afterglow of some bright gamma-ray bursts (GRBs). Polarization in the prompt phase spans a wide range, and may be as high as ≳50%. In the afterglow phase, however, it is usually below 10%. According to the standard fireball model, GRBs are produced by synchrotron radiation and Compton scattering process in a highly relativistic jet ejected from the central engine. It is widely accepted that prompt emissions occur in the internal shock when shells with different velocities collide with each other, and the magnetic field advected by the jet from the central engine can be ordered on a large scale. On the other hand, afterglows are often assumed to occur in the external shock when the jet collides with interstellar medium, and the magnetic field produced by the shock through, for example, Weibel instability, is possibly random. In this paper, we calculate the polarization properties of the synchrotron self-Compton process from a highly relativistic jet, in which the magnetic field is randomly distributed in the shock plane. We also consider the generalized situation where a uniform magnetic component perpendicular to the shock plane is superposed on the random magnetic component. We show that it is difficult for the polarization to be larger than 10% if the seed electrons are isotropic in the jet frame. This may account for the observed upper limit of polarization in the afterglow phase of GRBs. In addition, if the random and uniform magnetic components decay with time at different speeds, then the polarization angle may change 90° during the temporal evolution.

    HTML

Reference (48)

目录

Link
IOPScience
SCOAP3
arXiv
Chinese Physical Society
Journal information
Introduction
Editorial Board
Others
Subscribe
Contact us
QQ: 1307685413
Tel: +86-010-88235947
Fax: +86-010-88233126
E-mail: cpc@ihep.ac.cn

  • CPC Website

  • IOP Website

  • CPC WeChat

Copyright © Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China 京ICP备05002789号-1

Supported by: Beijing Renhe Information Technology Co. Ltd  E-mail: info@rhhz.net

/

DownLoad:  Full-Size Img  PowerPoint
Return
Return