Cyclotron maser radiation from an inhomogeneous plasma

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Cairns, R.A. and Vorgul, I. and Bingham, R. (2008) Cyclotron maser radiation from an inhomogeneous plasma. Physical Review Letters, 101 (21). 215003. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.101.215003)

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Abstract

Cyclotron maser radiation is important in both laboratory devices such as gyrotrons and in space physics applications to phenomena such as auroral kilometric radiation. To understand the behavior, especially in the latter case where there is generally a localized region of instability, requires an understanding of how such instabilities behave in an inhomogeneous plasma. Here we consider, for simplicity, a simple ring distribution of electrons in either a step function variation of magnetic field or a continuous gradient. In each case we show that there can exist localized regions of instability from which waves, growing in time, can be radiated outwards.

ORCID iDs

Cairns, R.A., Vorgul, I. and Bingham, R. ORCID logoORCID: https://orcid.org/0000-0002-9843-7635;
  • Item type:Article
    ID code:19410
    Dates:
    Date
    Event
    21 November 2008
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Strathprints Administrator
    Date deposited:19 May 2010 11:20
    Last modified:11 Nov 2024 09:23
    URI:https://strathprints.strath.ac.uk/id/eprint/19410
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