Two-Phase Broad-Line Regions in the Presence of Alfven Wave Heating: The Role of Nonlinear and Turbulent Heating

Details Two-Phase Broad-Line Regions in the Presence of Alfven Wave Heating: The Role of Nonlinear and Turbulent Heating Two-Phase Broad-Line Regions in the Presence of Alfven Wave Heating: The Role of Nonlinear and Turbulent Heating

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...463..489g&link_type=abstract

Astrophysical Journal v.463, p.489

Astronomy and Astrophysics

Astronomy

12

Galaxies: Quasars: Emission Lines, Instabilities, Turbulence, Waves

Scientific paper

We consider the heating caused by the damping of Alfven waves (nonlinear and turbulent) on thermal stability of a two-phase medium at broad-line cloud pressures of quasars. In particular, we investigate the distinct density dependencies of each heating mechanism in the heat-loss function. The heat-loss function contains the following physical processes: recombination, electron excitation of resonance transitions, bremsstrahlung, Compton interactions, and damping of Alfven waves. We compare the efficiencies of the Alfvenic heatings: nonlinear, resonance surface, and turbulent.

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