Bremsstrahlung emissivity of a proton-electron plasma in a strong magnetic field

被引：10

作者：

Riffert, H ^{[1
]}

Klingler, M ^{[1
]}

Ruder, H ^{[1
]}

机构：

[1] Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.82.3432

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A self-consistent calculation of the bremsstrahlung emissivity for a hot optically thin plasma in a strong external magnetic field is presented. The emissivity is calculated fur a nonthermal electron velocity distribution f(upsilon). Two competing elementary processes are taken into account, i.e., Coulomb scattering and resonant cyclotron emission, which lead to a depopulation of f(upsilon) above the cyclotron energy. The resulting spectra show an extremely narrow line feature at the cyclotron frequency. The total bremsstrahlung emissivity as a function of the plasma temperature and the magnetic field is also given.

引用

页码：3432 / 3435

页数：4

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