MODELING PULSAR TIME NOISE WITH LONG TERM POWER LAW DECAY MODULATED BY SHORT TERM OSCILLATIONS OF THE MAGNETIC FIELDS OF NEUTRON STARS
张双南;Zhang, SN; Xie, Y
刊名INTERNATIONAL JOURNAL OF MODERN PHYSICS D
2013
卷号22期号:SI11页码:1360012
关键词Neutron star magnetar magnetic field decay timing noise
学科分类Astronomy & Astrophysics
DOI10.1142/S0218271813600122
英文摘要We model the evolution of the magnetic fields of neutron stars as consisting of a long term power-law decay modulated by short term small amplitude oscillations. Our model predictions on the timing noise <(nu)double over dot> of neutron stars agree well with the observed statistical properties and correlations of normal radio pulsars. Fitting the model predictions to the observed data, we found that their initial parameter implies their initial surface magnetic dipole magnetic field strength B-0 similar to 5 x 10(14) G when t(0) = 0.4 yr and that the oscillations have amplitude K similar to 10(-8) to 10(-5) and period T on the order of years. For individual pulsars our model can effectively reduce their timing residuals, thus offering the potential of more sensitive detections of gravitational waves with pulsar timing arrays. Finally our model can also re-produce their observed correlation and oscillations of <(nu)double over dot>, as well as the "slow glitch" phenomenon.
收录类别SCI
WOS记录号WOS:000324952600012
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224709
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
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张双南;Zhang, SN,Xie, Y. MODELING PULSAR TIME NOISE WITH LONG TERM POWER LAW DECAY MODULATED BY SHORT TERM OSCILLATIONS OF THE MAGNETIC FIELDS OF NEUTRON STARS[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS D,2013,22(SI11):1360012.
APA 张双南;Zhang, SN,&Xie, Y.(2013).MODELING PULSAR TIME NOISE WITH LONG TERM POWER LAW DECAY MODULATED BY SHORT TERM OSCILLATIONS OF THE MAGNETIC FIELDS OF NEUTRON STARS.INTERNATIONAL JOURNAL OF MODERN PHYSICS D,22(SI11),1360012.
MLA 张双南;Zhang, SN,et al."MODELING PULSAR TIME NOISE WITH LONG TERM POWER LAW DECAY MODULATED BY SHORT TERM OSCILLATIONS OF THE MAGNETIC FIELDS OF NEUTRON STARS".INTERNATIONAL JOURNAL OF MODERN PHYSICS D 22.SI11(2013):1360012.
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