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Conference Paper

Polarization of high-energy emission in a pulsar striped wind

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Pétri,  Jérôme
Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Kirk,  John
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Citation

Pétri, J., & Kirk, J. (2005). Polarization of high-energy emission in a pulsar striped wind. In T. B. e. al. (Ed.), Astrophysical sources of high energy particles and radiation (pp. 290-293). American Institute of Physics.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-87E2-C
Abstract
The Stokes parameters of the pulsed synchrotron radiation produced in the striped pulsar wind model are computed and compared with optical observations of the Crab pulsar. The resulting radiation is linearly polarized. In the off-pulse region, the electric vector lies in the direction of the projection on the sky of the rotation axis of the pulsar, in good agreement with the data. Other properties such as a reduced degree of polarization and a characteristic sweep of the polarization angle within the pulses are also reproduced.