Transparency and stability of low density stellar plasma related to Boltzmann statistics , inverse stimulated Bremsstrahlung and dark matter

The rate of stimulated inverse bremsstrahlung is calculated for low electron density stellar plasmas and the condition under which the plasma becomes transparent is presented. The stability of low density stellar plasma is analyzed for a star with a spherical symmetry in equilibrium between the gravitational attractive forces and the repulsive pressure forces of an ideal electron gas where the analysis is developed by the use of Boltzmann statistics. Fundamental and surprising results are obtained by which the radius and the total mass of the star are inversely proportional to the square root of the electron density in the star center. The total gravitational forces of the star with very low electron and mass densities are very large (!) due to the extreme large star volumes. The absorption and emission of radiation for extremely low density star plasmas vanishes over all the entire electromagnetic spectrum. The present results are supported by numerical calculations. Similar effects are predicted for low density stellar plasmas which have different structures and the properties of such plasmas might show certain similarities with those of dark matter.