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Related papers: Pulsar glitches in a strangeon star model. II. The…

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Pulsar-like compact stars provide us a unique laboratory to explore properties of dense matter at supra-nuclear densities. One of the models for pulsar-like stars is that they are totally composed of "strangeons", and in this paper we…

High Energy Astrophysical Phenomena · Physics 2018-03-14 X. Y. Lai , C. A. Yun , J. G. Lu , G. L. Lv , Z. J. Wang , R. X. Xu

Strangeon star model has passed various observational tests, such as the massive pulsars and the tidal deformability during binary mergers. Pulsar glitch, as a useful probe for studying the interior structure of pulsars, has also been…

High Energy Astrophysical Phenomena · Physics 2023-06-14 X. Y. Lai , W. H. Wang , J. P. Yuan , R. P. Lu , H. Yue , R. X. Xu

Many radio pulsars exhibit glitches wherein the star's spin rate increases fractionally by $\sim 10^{-10} - 10^{-6}$. Glitches are ascribed to variable coupling between the neutron star crust and its superfluid interior. With the aim of…

Astrophysics · Physics 2009-11-06 Michelle B. Larson , Bennett Link

Observations of pulsar glitches remain a powerful tool for studying the interior of neutron stars. Many of the observed glitch properties are shown to result from the evolution of glitches in the different manifestations of neutron stars.…

High Energy Astrophysical Phenomena · Physics 2013-04-17 J. O. Urama , B. C. Joshi , A. E. Chukwude

Pulsar glitches are attributed to the sudden re-coupling of very weakly coupled large scale superfluid components in the neutron star interior. This process leads to rapid exchange of angular momentum and an increase in spin frequency. The…

High Energy Astrophysical Phenomena · Physics 2020-12-22 Brynmor Haskell , Vadym Khomenko , Marco Antonelli , Danai Antonopoulou

Pulsar glitches are sudden increase in their spin frequency, in most cases followed by the long timescale recovery process. As of this writing, about 546 glitches have been reported in 188 pulsars, the Crab pulsar is a special one with…

High Energy Astrophysical Phenomena · Physics 2019-08-09 Weihua Wang , Xiaoping Zheng

The rotation of more than 700 pulsars has been monitored using the 76-m Lovell Telescope at Jodrell Bank. Here we report on a new search for glitches in the observations, revealing 128 new glitches in the rotation of 63 pulsars. Combining…

High Energy Astrophysical Phenomena · Physics 2015-03-18 Cristobal M. Espinoza , Andrew G. Lyne , Ben W. Stappers , Michael Kramer

Pulsar glitches-the sudden spin-up in the rotational frequency of a neutron star-suggest the existence of an angular-momentum reservoir confined to the inner crust of the neutron star. Large and regular glitches observed in the Vela pulsar…

Nuclear Theory · Physics 2015-06-19 J. Piekarewicz , F. J. Fattoyev , C. J. Horowitz

Pulsar glitches are sudden increases in the spin frequency of an otherwise steadily spinning down neutron star. These events are thought to represent a direct probe of the dynamics of the superfluid interior of the star. However glitches…

Solar and Stellar Astrophysics · Physics 2015-06-16 Brynmor Haskell , Danai Antonopoulou

Glitches are sudden spin-up events that punctuate the steady spin down of pulsars and are thought to be due to the presence of a superfluid component within neutron stars. The precise glitch mechanism and its trigger, however, remain…

High Energy Astrophysical Phenomena · Physics 2015-06-18 C. M. Espinoza , D. Antonopoulou , B. W. Stappers , A. Watts , A. G. Lyne

Glitch (sudden spinup) is a common phenomenon in pulsar observations. However, the physical mechanism of glitch is still a matter of debate because it depends on the puzzle of pulsar's inner structure, i.e., the equation of state of dense…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Enping Zhou

Glitch (sudden spinup) is a common phenomenon in pulsar observations. However, the physical mechanism of glitch is still a matter of debate because it depends on the puzzle of pulsar's inner structure, i.e., the equation of state of dense…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Enping Zhou , Jiguang Lu , Hao Tong , Renxin Xu

Pulsar glitches, i.e. the sudden spin-ups of pulsars, have been detected for most pulsars that we known. The mechanism giving rise to this kind of phenomenon is uncertain, although a large data set has been built. In the framework of…

High Energy Astrophysical Phenomena · Physics 2016-03-16 X. Y. Lai , R. X. Xu

A series of five unusual slow glitches of the radio pulsar B1822-09 (PSR J1825-0935) were observed over the 1995-2005 interval. This phenomenon is understood in a solid quark star model, where the reasonable parameters for slow glitches are…

Astrophysics · Physics 2009-11-13 C. Peng , R. X. Xu

As the most extensively and continuously monitored neutron star, the Crab pulsar serves as representative of the earliest evolutionary stage. Its unique and complex glitch phenomenology provides an unparalleled testing ground for…

High Energy Astrophysical Phenomena · Physics 2025-06-04 Pei-Xin Zhu , Xiao-Ping Zheng

Glitches are commonly observed for pulsars, which are explained by various mechanisms. One hypothesis attributes the glitch effect to the instantaneous moment of inertia change of the whole star caused by a starquake, which is similar to…

High Energy Astrophysical Phenomena · Physics 2023-02-01 Ruipeng Lu , Han Yue , Xiaoyu Lai , Weihua Wang , Shenjian Zhang , Renxin Xu

Glitches are sudden increases in the rotation rate $\nu$ of neutron stars, which are thought to be driven by the neutron superfluid inside the star. The Vela pulsar presents a comparatively high rate of glitches, with 21 events reported…

High Energy Astrophysical Phenomena · Physics 2021-05-05 C. M. Espinoza , D. Antonopoulou , R. Dodson , M. Stepanova , A. Scherer

There are currently two well-accepted models that explain how pulsars exhibit glitches, sudden changes in their regular rotational spin-down. According to the starquake model, the glitch healing parameter, Q, which is measurable in some…

Astrophysics · Physics 2008-11-26 Fronefield Crawford , Marek Demianski

Pulsar glitches are generally viewed as stochastic events driven by sudden angular momentum transfer from the neutron star's superfluid interior to its crust. Except two peculiar pulsars with quasi-periodic glitches, this stochastic view…

High Energy Astrophysical Phenomena · Physics 2026-01-21 Pei-Xin Zhu , Xiao-Ping Zheng , Quan Cheng , Chenghui Niu , Erbil Gügercinoğlu

Glitches are sudden changes in rotation frequency and spin-down rate, observed from pulsars of all ages. Standard glitches are characterized by a positive step in angular velocity ($\Delta\Omega$ $ > $ $0$) and a negative step in the…

High Energy Astrophysical Phenomena · Physics 2015-06-23 O. Akbal , E. Gügercinoğlu , S. Şaşmaz Muş , M. A. Alpar
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