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相关论文: Pulsar death line revisited -- II. 'The death vall…

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In this paper, which is the first in a series of papers devoted to a detailed analysis of the death line of radio pulsars, we consider a possibility of producing secondary particles at a sufficiently long pulsar period P. To this end, we…

高能天体物理现象 · 物理学 2022-01-11 V. S. Beskin , P. E. Litvinov

Pulsar death line can be defined in $P-\dot{P}$ diagram. Traditionally, radio-loud pulsars are supposed to locate above the death line where is the radio-loud region. With the development of observational equipment, the observational…

高能天体物理现象 · 物理学 2017-10-11 Xia Zhou , Hao Tong , Cui Zhu , Na Wang

Pulsars are highly magnetized rotating neutron stars, emitting in a broad electromagnetic energy range. Reproducing the observed pulsars population refines our understanding of their formation and evolution scenarios as well as their…

高能天体物理现象 · 物理学 2024-11-27 Mattéo Sautron , Jérôme Pétri , Dipanjan Mitra , Ludmilla Dirson

We investigated the pulsar radio luminosity ($L$), emission efficiency (ratio of radio luminosity to its spin-down power $\dot{E}$), and death line in the diagram of magnetic field (B) versus spin period (P), and found that the dependence…

高能天体物理现象 · 物理学 2020-12-02 Q. D. Wu , Q. J. Zhi , C. M. Zhang , D. H. Wang , C. Q. Ye

The complete absence of radio pulsars with periods exceeding a few seconds has lead to the popular notion of the existence of a high $P$ death line. In the standard picture, beyond this boundary, pulsars with low spin rates cannot…

天体物理学 · 物理学 2009-10-30 Matthew G. Baring , Alice K. Harding

We re-examine the outer gap size by taking the geometry of the dipole magnetic field into account. Furthermore, we also consider that instead of taking the gap size at half of the light cylinder radius to represent the entire outer gap it…

天体物理学 · 物理学 2009-11-10 L. Zhang , K. S. Cheng , Z. J. Jiang , P. Leung

We investigate the conditions for radio emission in rotating and oscillating magnetars, by focusing on the main physical processes determining the position of their death-lines in the P-\dot{P} diagram, i.e. of those lines that separate the…

高能天体物理现象 · 物理学 2015-05-28 Viktoriya Morozova , Bobomurat Ahmedov , Olindo Zanotti

I summarize the theory of acceleration of non-neutral particle beams by starvation electric fields along the polar magnetic field lines of rotation powered pulsars, including the effect of dragging of inertial frames which dominates the…

天体物理学 · 物理学 2009-09-25 Jonathan Arons

We analytically investigate the condition for a particle accelerator to be active in the outer magnetosphere of a rotation-powered pulsar. Within the accelerator (or the gap), magnetic-field-aligned electric field accelerates electrons and…

高能天体物理现象 · 物理学 2015-05-28 Ren-Bo Wang , Kouichi Hirotani

We draw attention to two unanswered questions in radio pulsars' theory. The first one concerns the inclination angles between magnetic and rotation axes. We show that the very existence of interpulse pulsars indicates that all possible…

高能天体物理现象 · 物理学 2025-02-04 V. S. Beskin

The absence of radio pulsars with long periods has lead to the popular notion of a high P ``death line.'' In the standard picture, beyond this boundary, pulsars with low spin rates cannot accelerate particles above the stellar surface to…

天体物理学 · 物理学 2009-10-31 Matthew G. Baring , Alice K. Harding

I summarize the theory of acceleration of non-neutral particle beams by starvation electric fields along the polar magnetic field lines of rotation powered pulsars, including the effect of dragging of inertial frames which dominates the…

天体物理学 · 物理学 2007-05-23 Jonathan Arons

Recently another long period radio pulsar GPM J1839$-$10 is reported, similar to GLEAM-X J162759.5$-$523504.3. Previously, the energy budget and rotational evolution of long period radio pulsars had been considered. This time, the death…

高能天体物理现象 · 物理学 2023-10-12 H. Tong

The sizes of pulsar radio pulses in the plane of the sky are determined. This is important not only in relation to the possibility of directly resolving the radio pulses spatially, but also for verifying and placing constraints on existing…

高能天体物理现象 · 物理学 2015-06-23 H. L. Hakobyan , V. S. Beskin

A new method for determining the accelerating potential above the polar caps of radio pulsars with an arbitrary inclination angle of the magnetic axis to the rotation axis has been proposed. The approach has been based on the concept of a…

高能天体物理现象 · 物理学 2025-05-19 A. Yu. Istomin , F. A. Kniazev , V. S. Beskin

In the standard picture of radio pulsars, the radio emission arises from a set of open magnetic field lines, the extent of which is primarily determined by the pulsar's spin period, P, and the emission height. We have used a database of…

高能天体物理现象 · 物理学 2019-02-20 Simon Johnston , Aris Karastergiou

In the framework of the coherent curvature radiation model of pulsar radio emission, charged particles responsible for the radio emission are generated on the polar cap in the localized pair cascade processes called sparks. When a pulsar…

高能天体物理现象 · 物理学 2025-07-15 S. Singh , J. Roy , B. Bhattacharyya

Pulsar radio emission is believed to be originated from the electron-positron pairs streaming out from the polar cap region. Pair formation, an essential condition for pulsar radio emission, is believed to be sustained in active pulsars via…

天体物理学 · 物理学 2007-05-23 Bing Zhang

The understanding of pulsar radio emission demands a close look at all regions of the huge parameter space present for pulsar observations. In this review we concentrate on the space given by the range of observed pulse periods, spanning…

天体物理学 · 物理学 2007-05-23 M. Kramer

We performed Monte Carlo simulations of different properties of pulsar radio emission, such as: pulsar periods, pulse-widths, inclination angles and rates of occurrence of interpulse emission (IP). We used recently available large data sets…

星系天体物理 · 物理学 2011-06-29 Krzysztof Maciesiak , Janusz Gil , Valério A. R. M. Ribeiro
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