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RADIO EFFICIENCY OF PULSARS
We investigate radio emission efficiency, ξ, of pulsars and report a near-linear inverse correlation between ξ and the spin-down power, , as well as a near-linear correlation between ξ and pulsar… Expand
WIND BRAKING OF MAGNETARS
We explore the wind braking of magnetars considering recent observations challenging the traditional magnetar model. There is evidence for strong multipole magnetic fields in active magnetars, but… Expand
Pulsar braking index: a test of emission models?
Pulsar braking torques due to magnetodipole radiation and the unipolar generator are considered, which results in a braking index n of less than 3 and could be employed to test the emission models.… Expand
The Inner Annular Gap for Pulsar Radiation: γ-Ray and Radio Emission
The inner annular gap (IAG), a new type of inner gap whose magnetic field lines intersect the null charge surface (NCS), is proposed to explain γ-ray and radio emission from pulsars. The IAG can be… Expand
The annular gap model for γ-ray emission from young and millisecond pulsars
Pulsed high-energy radiation from pulsars is not yet completely understood. In this paper, we use the 3D self-consistent annular gap model to study light curves for both young and millisecond pulsars… Expand
Seasonal dynamics of wintering waterbirds in two shallow lakes along Yangtze River in Anhui Province.
- J. Chen, L. Zhou, B. Zhou, R. Xu, W. Zhu, W. Xu
- Geography, Medicine
- Dong wu xue yan jiu = Zoological research
- 1 October 2011
The shallow lake wetlands in the middle and lower Yangtze River floodplain are important wintering and stopover habitats for migratory waterbirds on the East Asia-Australia Flyway. With increasing… Expand
XMM-Newton observation of the nearby pulsar B1133+16
We constrain the X-ray properties of the nearby , old () pulsar B1133+16 with effective exposure time by XMM-Newton. The observed pulsar flux in the 0.2–3 keV energy range is , which results in the… Expand
A note on the discovery of absorption features in 1E 1207.4-5209
In a paper by Sanwal et al. (2002), it is supposed to be very difficult to interpret the absorption features in term of cyclotron lines. However, we would like to address here that the possibility of… Expand
A Model for the Challenging “Bi-drifting” Phenomenon in PSR J0815+09
A new drifting pulsar, PSR J0815+09, was discovered in the Arecibo drift-scan searches. An intriguing feature of this source is that within the four pulse components in the integrated pulse profile,… Expand
A Thermal Featureless Spectrum: Evidence for Bare Strange Stars?
- R. Xu
- 20 February 2002
In an effort to understand the absence of spectral lines in the thermal components of the X-ray compact sources observed recently by Chandra and XMM-Newton, we propose that these sources might simply… Expand