Synchrotron emission driven by the Cherenkov-drift instability in active galactic nuclei

Abstract

In the present paper we study generation of the synchrotron emission by means of the feedback of Cherenkov drift waves on the particle distribution via the diffusion process. It is shown that despite the efficient synchrotron losses the excited Cherenkov drift instability leads to the quasi-linear diffusion (QLD), effect of which is balanced by dissipation factors and as a result the pitch angles are prevented from damping, maintaining the corresponding synchrotron emission. The model is analyzed for a wide range of physical parameters and it is shown that the mechanism of QLD guarantees the generation of electromagnetic radiation from soft $X$-rays up to soft $\gamma$-rays, strongly correlated with Cherenkov drift emission ranging from IR up to UV energy domains.

8 pages, 3 figures

References in corpus (6)

• Variable VHE gamma-ray emission from non-blazar AGNs
• On the efficiency of particle acceleration by rotating magnetospheres in AGN
• On the very high energy spectrum of the Crab pulsar
• On the simultaneous generation of high energy emission and submillimeter/infrared radiation from active galactic nuclei
• Efficiency of the centrifugally induced curvature drift instability in AGN winds
• The Synchrotron Emission Mechanism in the Recently Detected Very High Energy Radiation from the Crab Pulsar

Cited by in corpus (4)

• Nuclear 11.3$\mu$m PAH emission in local active galactic nuclei
• Probing the Active Galactic Nuclei Unified Model Torus Properties in Seyfert Galaxies
• Radio emission of magnetars driven by the quasi-linear diffusion
• Very high energy emission of Crab-like pulsars driven by the Cherenkov drift radiation