Physics – Plasma Physics
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983zhetf..84.1348i&link_type=abstract
Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki (ISSN 0044-4510), vol. 84, April 1983, p. 1348-1356. In Russian.
Physics
Plasma Physics
3
Bremsstrahlung, Cosmic Plasma, Degenerate Matter, Electron Gas, Ion Motion, Plasma Physics, Energy Dissipation, Metals, Neutron Stars, Polarization Characteristics, Protons
Scientific paper
The polarization energy loss for fast ions in a degenerate electron gas is calculated for various values of the Born parameter. An analytical expression is obtained for the case of an ideal electron gas (alpha much less than 1), which is of interest for astrophysical and laser plasmas. It is shown that, during the retardation of high-velocity ions formed as a result of nuclear reactions in the surface layers of neutron stars (in the zone of strongly degenerate electrons), a significant increase may occur in the rate of secondary nuclear reactions, which, in turn, may affect the character of the flare activity of neutron stars. The numerical calculations for the energy loss at a value of alpha approximately equal to 1, which are of interest for the physics of metals, are found to agree well with the experimentally-measured energy loss of protons in several metals (Be, Al) for proton energies in the region of the maximum energy loss and lower.
Iakovlev D. G.
Kotelnikov S. S.
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