Scintillation-induced circular polarization in pulsars and quasars

被引:46
作者
Macquart, JP [1 ]
Melrose, DB [1 ]
机构
[1] Univ Sydney, Sch Phys, Res Ctr Theoret Astrophys, Sydney, NSW 2006, Australia
关键词
galaxies : magnetic fields; polarization; pulsars : general; turbulence;
D O I
10.1086/317852
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a physical interpretation for the generation of circular polarization resulting from the propagation of radiation through a magnetized plasma in terms of a rotation measure gradient, or "Faraday wedges." Criteria for the observability of scintillation-induced circular polarization are identified. Application of the theory to the circular polarization in pulsars and compact extragalactic sources is discussed.
引用
收藏
页码:798 / 806
页数:9
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