Quantum relativistic theory of the synchrotron/cyclotron radiation in a strongly-magnetized plasma - The case of longitudinal propagation

Details Quantum relativistic theory of the synchrotron/cyclotron radiation in a strongly-magnetized plasma - The case of longitudinal propagation Quantum relativistic theory of the synchrotron/cyclotron radiation in a strongly-magnetized plasma - The case of longitudinal propagation

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.148..257b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 148, no. 2, Oct. 1988, p. 257-288.

Astronomy and Astrophysics

Astronomy

4

Cyclotron Radiation, Plasma Radiation, Quantum Theory, Relativistic Theory, Synchrotron Radiation, Gamma Ray Astronomy, Neutron Stars, Plasma Spectra, Wave Propagation, X Ray Sources

Scientific paper

This paper demonstrates that the quantum effects are very important for correct treatment of the cyclotron (synchrotron) processes in both relativistic and nonrelativistic plasmas near the surface of neutron stars with superstrong magnetic fields. The emissivities and absorption coefficients for a plasma with arbitrary distribution function of particles are presented in terms of simple sums over the Landau levels. The negative absorption (maser amplification) is shown to be impossible for the longitudinal propagation in a tenuous plasma. A new type of quantum relativistic oscillations is predicted in the emission and absorption spectra for a plasma with anisotropic temperature. The results obtained are useful for an interpretation of the X-ray and gamma-ray observations of the objects associated with strongly magnetized neutron stars.

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