中文
相关论文

相关论文: Glitch Behavior of Pulsars and Contribution from N…

200 篇论文

The superfluid in the inner crust of neutron star is assumed to be the reservoir of momentum released in pulsar glitch. Recently, due to crustal entrainment, it is debatable whether the magnitude of the inner crust is sufficient to contain…

高能天体物理现象 · 物理学 2018-12-31 Innocent O. Eya , Johnson O. Urama , Augustine E. Chukwude

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…

太阳与恒星天体物理 · 物理学 2015-06-16 Brynmor Haskell , Danai Antonopoulou

Pulsar glitches, sudden jumps in frequency in otherwise steadily spinning down radio pulsars, offer a unique glimpse into the superfluid interior of neutron stars. The exact trigger of these events remains, however, elusive and this has…

高能天体物理现象 · 物理学 2018-02-16 Pierre Pizzochero , Marco Antonelli , Brynmor Haskell , Stefano Seveso

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…

核理论 · 物理学 2015-06-19 J. Piekarewicz , F. J. Fattoyev , C. J. Horowitz

Neutron stars or pulsars are very rapidly rotating compact stars with extremely high density. One of the unsolved long-standing problems of these enigmatic celestial bodies is the origin of pulsars' glitches, i.e., the sudden rapid…

高能天体物理现象 · 物理学 2020-10-20 Giacomo Marmorini , Shigehiro Yasui , Muneto Nitta

The glitch activity of young pulsars arises from the exchange of angular momentum between the crust and the interior of the star. Recently, it was inferred that the moment of inertia of the crust of a neutron star is not sufficient to…

广义相对论与量子宇宙学 · 物理学 2016-08-02 Kalin Staykov , K. Yavuz Ekşi , Stoytcho S. Yazadjiev , M. Metehan Türkoğlu , A. Savaş Arapoğlu

Pulsar glitches are traditionally viewed as a manifestation of vortex dynamics associated with a neutron superfluid reservoir confined to the inner crust of the star. In this Letter we show that the non-dissipative entrainment coupling…

太阳与恒星天体物理 · 物理学 2015-06-05 N. Andersson , K. Glampedakis , W. C. G. Ho , C. M. Espinoza

Pulsars are rotating neutron stars that are renowned for their timing precision, although glitches can interrupt the regular timing behavior when these stars are young. Glitches are thought to be caused by interactions between normal and…

高能天体物理现象 · 物理学 2017-03-29 Wynn C. G. Ho , Cristobal M. Espinoza , Danai Antonopoulou , Nils Andersson

Giant pulsar frequency glitches as detected in the emblematic Vela pulsar have long been thought to be the manifestation of a neutron superfluid permeating the inner crust of a neutron star. However, this superfluid has been recently found…

高能天体物理现象 · 物理学 2016-07-27 T. Delsate , N. Chamel , N. Gürlebeck , A. F. Fantina , J. M. Pearson , C. Ducoin

Spinning neutron stars, when observed as pulsars, are seen to undergo occasional spin-up events known as glitches. Despite several decades of study, the physical mechanisms responsible for glitches are still not well understood, but…

高能天体物理现象 · 物理学 2024-01-09 Brynmor Haskell , David Ian Jones

Pulsar glitches are thought to be probes of the superfluid interior of neutron stars. These sudden jumps in frequency observed in many pulsars are generally assumed to be the macroscopic manifestation of superfluid vortex motion on a…

高能天体物理现象 · 物理学 2018-08-22 Brynmor Haskell

Pulsars are rapidly spinning and highly magnetized neutron stars, with highly stable rotational period and gradual spin-down over a long timescale due to the loss of radiation. Glitches refer to the events that suddenly increase the…

高能天体物理现象 · 物理学 2016-07-06 C. W. Ng , J. Takata , K. S. Cheng

The long-term evolution of the relative rotation of the core superfluid in a neutron star with respect to the rest of the star, at different radial distances from the rotation axis, is determined through model calculations. The core…

天体物理学 · 物理学 2015-06-24 M. Jahan-Miri

Large pulsar frequency glitches are generally interpreted as sudden transfers of angular momentum between the neutron superfluid permeating the inner crust and the rest of the star. Despite the absence of viscous drag, the neutron…

高能天体物理现象 · 物理学 2013-04-12 N. Chamel

$\sim 6\%$ of all known pulsars have been observed to exhibit sudden spin-up events, known as glitches. For more than fifty years, these phenomena have played an important role in helping to understand pulsar (astro)physics. Based on the…

高能天体物理现象 · 物理学 2022-11-28 Shiqi Zhou , Erbil Gügercinoğlu , Jianping Yuan , Mingyu Ge , Cong Yu

The neutron star crust is rigid material floating on a neutron-proton liquid core. As the star's spin rate slows, the changing stellar shape stresses the crust and causes fractures. These starquakes may trigger pulsar glitches as well as…

天体物理学 · 物理学 2016-01-27 Richard I. Epstein , Bennett Link

The study of pulsar glitch phenomena serves as a valuable probe into the dynamic properties of matter under extreme high-density conditions, offering insights into the physics within neutron stars. Providing theoretical explanations for the…

高能天体物理现象 · 物理学 2025-01-07 Pei-Xin Zhu , Xiao-Ping Zheng

Glitches are sudden spin-up events that interrupt the gradual spin-down of rotating neutron stars. They are believed to arise from the rapid unpinning of vortices in the neutron star inner crust. The analogy between the inner crust of…

量子气体 · 物理学 2024-08-20 Thomas Bland , Francesca Ferlaino , Massimo Mannarelli , Elena Poli , Silvia Trabucco

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…

天体物理学 · 物理学 2009-11-06 Michelle B. Larson , Bennett Link

We address the issues of crustal properties of neutron stars such as crustal mass, crustal radius, crustal fraction of moment of inertia and investigate the crustal and structural properties related to the glitching mechanism observed in…

核理论 · 物理学 2024-01-31 Joydev Lahiri , Debasis Atta , D. N. Basu
‹ 上一页 1 2 3 10 下一页 ›