Computer Science – Numerical Analysis
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ans..conf..143c&link_type=abstract
In Max-Planck Inst. Phys. and Astrophys. Accreting Neutron Stars p 143-145 (SEE N83-15179 05-88)
Computer Science
Numerical Analysis
Black Holes (Astronomy), Charged Particles, Coupling Circuits, Deposition, Electrons, Energy Transfer, Protons, Spherical Plasmas, Bremsstrahlung, Compton Effect, Coupled Modes, Energetic Particles, Numerical Analysis
Scientific paper
The coupled equations for the energy balance of both protons and electrons including cyclosynchrotron were examined. Compton and bremsstrahlung losses for the electrons, inner bremsstrahlung for the protons and the purely collisional energy transfer term between the two are discussed. In a spherically accreting plasma the timescale for collision energy exchange between protons and electrons is often larger than the free fall time scale. More efficient non collisional mechanism of energy exchange in the presence of a turbulent magnetic field justify the class of single temperature models, however, protons and electrons become effectively decoupled. Protons may attain temperatures above the threshold for pion production and produce a considerable gamma ray luminosity due to pi to the third power decay description of the proton inflow have to be considered.
Colpi Monica
Maraschi Laura
Treves Aldo
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