Gravitational bremsstrahlung in case of central forces

Details Gravitational bremsstrahlung in case of central forces Gravitational bremsstrahlung in case of central forces

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ncimb..89..131d&link_type=abstract

Nuovo Cimento B, Serie 11 (ISSN 0369-3554), vol. 89 B, Oct. 11, 1985, p. 131-138.

Physics

1

Bremsstrahlung, Coulomb Collisions, Gravitational Waves, Hydrogen Plasma, Scattering Functions, Thermal Radiation, Conservation Laws, Einstein Equations, Equations Of Motion, Gravitation Theory, Quadrupoles

Scientific paper

A formula for gravitational bremsstrahlung in the case of arbitrary central scattering potentials is given within the quadrupole approximation of Einstein's linearized theory. As an example, Coulomb scattering and its application to a hydrogen plasma are treated exactly. It is found that the thermal gravitational-radiation power of a plasma (arising from the repulsive scattering) is proportional to the square of the density and the temperature and not proportional to the 4th power of the temperature as would be expected in view of the Stefan-Boltzmann law; accordingly the thermal gravitational bremsstrahlung is not automatically in thermodynamic equilibrium with the plasma.

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