分类： 天文学 >> 天体物理学 提交时间： 2023-12-04
摘要： The pulsar radio emission mechanism remains an enigma over half a century.A successful radiation process requires not only to explain the coherency and high degree of polarization of the emission, but alsomicrostructures, characteristic frequency of emission, and the death line problem, etc. These issues challenge both the long standing cap models and recent models of magnetic reconnection assuming stationary magnetosphere of a pulsar.This article proposes a radio emission through global-local interaction of pulsar magnetosphere. The centrifugal force at the light cylinder leads to the concentration of both field lines and plasma in an equatorial layer much less than that of a pulsar magnetosphere.The resultant magnetic reconnection with chain of plasmoids interprets not only the above problems in a simple and unified way, but also Rotating Radio Transients (RRATs) and Fast Radio Bursts (FRBs).
点击量
待评议
点击量
下载量
评论
