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PULSAR WIND MODEL FOR THE SPIN-DOWN BEHAVIOR OF INTERMITTENT PULSARS
Li, L.1,2,3; Tong, H.1; Yan, W. M.1; Yuan, J. P.1; Xu, R. X.4,5; Wang, N.1
2014-06-10
Source PublicationASTROPHYSICAL JOURNAL
Volume788Issue:1Pages:16
Contribution Rank1
AbstractIntermittent pulsars are part-time radio pulsars. They have higher slow down rates in the on state (radio-loud) than in the off state (radio-quiet). This gives evidence that particle wind may play an important role in pulsar spindown. The effect of particle acceleration is included in modeling the rotational energy loss rate of the neutron star. Applying the pulsar wind model to the three intermittent pulsars (PSR B1931+24, PSR J1841-0500, and PSR J1832+0029) allows their magnetic fields and inclination angles to be calculated simultaneously. The theoretical braking indices of intermittent pulsars are also given. In the pulsar wind model, the density of the particle wind can always be the Goldreich-Julian density. This may ensure that different on states of intermittent pulsars are stable. The duty cycle of particle wind can be determined from timing observations. It is consistent with the duty cycle of the on state. Inclination angle and braking index observations of intermittent pulsars may help to test different models of particle acceleration. At present, the inverse Compton scattering induced space charge limited flow with field saturation model can be ruled out.
Correspondent Emailtonghao@xao.ac.cn
KeywordStars : Neutron Pulsars : Individual (Psr b1931+24 Psr j1832+0029 Psr J1841-0500) Stars : Winds Outflows
SubtypeArticle
DOI10.1088/0004-637X/788/1/16
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordTIME RADIO PULSARS ; GAMMA-RAY EMISSION ; BRAKING INDEXES ; PAIR FORMATION ; ANTI-GLITCH ; POLAR CAPS ; MAGNETAR ; MAGNETOSPHERES ; STARS
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000337095200016
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/590
Collection射电天文研究室_脉冲星研究团组
射电天文研究室
其它
Corresponding AuthorTong, H.
Affiliation1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Xinjiang Univ, Sch Phys, Urumqi, Xinjiang, Peoples R China
4.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
5.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
First Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Corresponding Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, L.,Tong, H.,Yan, W. M.,et al. PULSAR WIND MODEL FOR THE SPIN-DOWN BEHAVIOR OF INTERMITTENT PULSARS[J]. ASTROPHYSICAL JOURNAL,2014,788(1):16.
APA Li, L.,Tong, H.,Yan, W. M.,Yuan, J. P.,Xu, R. X.,&Wang, N..(2014).PULSAR WIND MODEL FOR THE SPIN-DOWN BEHAVIOR OF INTERMITTENT PULSARS.ASTROPHYSICAL JOURNAL,788(1),16.
MLA Li, L.,et al."PULSAR WIND MODEL FOR THE SPIN-DOWN BEHAVIOR OF INTERMITTENT PULSARS".ASTROPHYSICAL JOURNAL 788.1(2014):16.
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