منابع مشابه
Electromagnetic Wave Propagation in Pulsar Magnetospheres
A new nonlinear electromagnetic wave mode in a magnetized plasma is predicted. Its existence depends on the interaction of an intense circularly polarized electromagnetic wave with a plasma, where quantum electrodynamical photon–photon scattering is taken into account. This scattering gives rise to a new coupling between the matter and the radiation. Specifically, we consider an electron–positr...
متن کاملPropagation effects in pulsar magnetospheres
Refraction and polarization transfer in an ultrarelativistic highly magnetized pulsar plasma are considered. Normal waves in the pulsar plasma are linearly polarized however circular polarization arises in the polarization limiting region if radiation propagates at an angle to the plane of the magnetic field lines. The rays go off this plane due to refraction or (and) due to rotation of the mag...
متن کاملThe effect of differential refraction on wave propagation in rotating pulsar magnetospheres
Refraction of wave propagation in a corotating pulsar magnetospheric plasma is considered as a possible interpretation for observed asymmetric pulse profiles with multiple components. The pulsar radio emission produced inside the magnetosphere propagates outward through the rotating magnetosphere, subject to refraction by the intervening plasma that is spatially inhomogeneous. Both effects of a...
متن کاملLooking into Pulsar Magnetospheres
Diffractive and refractive magnetospheric scintillations may allow a direct testing of the plasma inside the light cylinder. Unusual electrodynamics of the strongly magnetized electron-positron plasma allow separation of the magnetospheric and interstellar scattering. The most distinctive feature of the magnetospheric scintillations is their independence on frequency. Diffractive scattering due...
متن کاملElectrodynamics of pulsar magnetospheres
I review the theoretical understanding of the global structure of pulsar magnetospheres concentrating on recent progress in force-free electrodynamics and first-principles simulations of magnetospheres.
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2012
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921312024805