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Article Dans Une Revue Monthly Notices of the Royal Astronomical Society Année : 2004

Radiation drag effects on magnetically dominated outflows around compact objects

Résumé

The effects of radiation drag force on the structure of relativistic electron-positron and electron-proton outflows are considered within the one-fluid approximation for a quasi-monopole cold outflow. It is shown that for a Poynting-dominated case, the drag force does not change the particle energy inside a fast magnetosonic surface. In this region, the action of the drag results in a diminution of the Poynting flux, not the particle flux. Outside the fast magnetosonic surface, for intermediate photon density, the drag force may result in additional acceleration of the plasma. This acceleration is the result of the disturbance of magnetic surfaces under the action of the drag. At even larger distances, particles are not frozen into the magnetic field and the drag force decelerates them efficiently.
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hal-03785653 , version 1 (29-09-2022)

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V. S. Beskin, Nadia L. Zakamska, Hélène Sol. Radiation drag effects on magnetically dominated outflows around compact objects. Monthly Notices of the Royal Astronomical Society, 2004, 347, pp.587-600. ⟨10.1111/j.1365-2966.2004.07229.x⟩. ⟨hal-03785653⟩
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