Plasma cutoff and enhancement of radiative transitions in dense stellar matter
Journal Article
·
· Physical Review. D, Particles Fields
- Ioffe Physical Technical Institute, Polytekhnicheskaya Street 26, Saint-Petersburg 194021 (Russian Federation)
We study plasma effects on radiative transitions (e.g., decay of excited states of atoms or atomic nuclei) in a dense plasma at the transition frequencies {omega} < or. approx {omega}{sub p} (where {omega}{sub p} is the electron plasma frequency). The decay goes through four channels - the emission of real transverse and longitudinal plasmons as well as the emission of virtual transverse and longitudinal plasmons with subsequent absorption of such plasmons by the plasma. The emission of real plasmons dies out at {omega}{<=}{omega}{sub p}, but the processes with virtual plasmons strongly enhance the radiative decay. Applications of these results to radiative processes in white dwarf cores and neutron star envelopes are discussed.
- OSTI ID:
- 21300922
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 12 Vol. 79; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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