Scintillation-Induced Circular Polarization in Pulsars and Quasars
J. -P. Macquart, D. B. Melrose
Abstract
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.
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