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Signature of gravitational wave radiation in afterglows of short gamma-ray bursts?
Fan, Yi-Zhong1; Wu, Xue-Feng2; Wei, Da-Ming1
2013-09-23
Source PublicationPHYSICAL REVIEW D
ISSN1550-7998
Volume88Issue:6Pages:4PP
AbstractShort gamma-ray bursts (GRBs), brief intense emission of gamma rays characterized by a duration shorter than 2 s that are plausibly powered by the coalescence of binary neutron stars, are believed to be strong gravitational wave radiation (GWR) sources. The test of such a speculation has been thought to be impossible until the performance of the detectors like advanced LIGO. Recently there has been growing evidence for the formation of a highly magnetized neutron star (i.e., magnetar) in the double neutron star mergers. In this work we reexamine the interpretation of the x-ray plateau followed by an abrupt decline detected in some short GRB afterglows within the supramassive magnetar model and find that the maximum gravitational mass of the nonrotating neutron stars is similar to 2.3M(circle dot) and the observed duration of some x-ray plateaus are significantly shorter than that expected in the magnetic dipole radiation scenario, suggesting that the collapse of the supramassive magnetars has been considerably enhanced by the energy loss via GWR. Such a result demonstrates that the signature of GWR may have already existed in current electromagnetic data of short GRBs.
Subject AreaPhysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1103/PhysRevD.88.067304
WOS KeywordNEUTRON-STARS ; MAGNETIC-FIELDS ; EMISSION ; PULSARS ; MASSES ; GALAXY ; STATE ; GRBS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000324691500017
Citation statistics
Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9885
Collection宇宙伽马暴、中子星及相关物理研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Chinese Ctr Antarctic Astron, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Fan, Yi-Zhong,Wu, Xue-Feng,Wei, Da-Ming. Signature of gravitational wave radiation in afterglows of short gamma-ray bursts?[J]. PHYSICAL REVIEW D,2013,88(6):4PP.
APA Fan, Yi-Zhong,Wu, Xue-Feng,&Wei, Da-Ming.(2013).Signature of gravitational wave radiation in afterglows of short gamma-ray bursts?.PHYSICAL REVIEW D,88(6),4PP.
MLA Fan, Yi-Zhong,et al."Signature of gravitational wave radiation in afterglows of short gamma-ray bursts?".PHYSICAL REVIEW D 88.6(2013):4PP.
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