Effect of Beam-Plasma Instabilities on Accretion Disk Flares
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We show that a certain class of flare models for variability from accretion disk coronae are subject to beam-plasma instabilities. These instabilities can prevent significant direct acceleration and greatly reduce the variable X-ray emission argued to arise via inverse Compton scattering involving relativistic electrons in beams and soft photons from the disk.
4 pages, 0 figures, accepted for publication in A&A, uses A&A LaTeX macros
4 pages, 0 figures, accepted for publication in A&A, uses A&A LaTeX macros