Photon splitting and Compton scattering in strongly magnetized hot plasma
arXiv:1207.6273 · doi:10.1103/PhysRevD.86.043007
Abstract
The process of photon splitting is investigated in the presence of strongly magnetized electron-positron plasma. The amplitude of the process is calculated in general case of plasma with nonzero chemical potential and temperature. The polarization selection rules and corresponding partial amplitudes for allowed splitting channels are obtained in the case of charge-symmetric plasma. It is found that the new splitting channel forbidden in magnetized vacuum becomes allowed. The absorption rates of the photon splitting are calculated with taking into account of the photon dispersion and wave function renormalization. In addition, the comparison of photon splitting and Compton scattering process is made. The influence of the reactions under consideration on the radiation transfer in the framework of magnetar model of SGR burst is discussed.
17 pages, 17 figures. v2: minor changes, typos corrected, to be published in Phys.Rev.D
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- Temporal and spectral X-ray properties of magnetar SGR 1900+14 derived from observations with NuSTAR and XMM-Newton
- Searching for PeV neutrinos from photomeson interactions in magnetars
- Radiative decay of keV-mass sterile neutrinos in a strongly magnetized plasma