脉冲星平均轮廓中的双重特征能解释它们射电辐射的性质吗？
Do double features in averaged pulsar profiles decipher the nature of their radio emission?
摘要：
最近发表了一篇有趣的论文，声称长期寻找的罗塞塔石碑需要破译脉冲星无线电发射的性质，最终被确定为平均脉冲星剖面的双重特征。作者认为，高度对称的分叉特征是由一束非常窄的磁场线所传导的磁层等离子体细微观流发射的异常模式曲率辐射的分裂扇形光束产生的。我们研究了导致这些有趣结论的论点，发现了一些缺陷。其中至少有一个是致命的，即在如此薄的微观等离子体流中没有足够的可用能量。利用基本脉冲星物理，我们表明，如果流是如此之薄，它的发射可以揭示基本辐射机制的签名，那么能量赤字往往是严重的，并达到几个到几个数量级（取决于实际效率转换的相对论带电粒子的可用动能到相干无线电发射）。我们确信，对本文件标题所载问题的答案肯定是否定的。
英文摘要：
An interesting paper has recently been published claiming that the long-sought Rosetta Stone needed to decipher the nature of pulsar radio emission has been finally identified as the double features in averaged pulsar profiles. The authors argue that highly symmetric bifurcated features are produced by a split-fan beams of extraordinary-mode curvature radiation emitted by thin microscopic streams of magnetospheric plasma conducted by a very narrow bundle of magnetic field lines. We examined arguments leading to these intriguing conclusions and found a number of flaws. At least one of them is fatal, namely there is not enough available energy within such thin microscopic plasma streams. Using an elementary pulsar physics we show that if the stream is so thin that its emission can reveal the signatures of elementary radiation mechanism, then the energy deficit tends to be severe and reaches a few to several orders of magnitude (depending on the actual efficiency of converting the available kinetic energy of relativistic charged particles into the coherent radio emission). We are certain that the answer to the question contained in the title of this paper is definitely negative.
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