Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974ap%26ss..26..387m&link_type=abstract
Astrophysics and Space Science, Volume 26, Issue 2, pp.387-390
Astronomy and Astrophysics
Astrophysics
Scientific paper
The decay of a plasmon into two neutrinos in the presence of an intense magnetic field has been studied by Canutoet al. (1970). They suggest that one of the principal longitudinal plasmon modes, which occurs only in magnetized plasmas, would cause certain magnetic stars to cool more rapidly than their unmagnetized counterparts. We show here that this mechanism is inoperative since the plasmon mode involved cannot be excited in the direction parallel to the magnetic field as considered by Canutoet al. Moreover, for ωc/ωp≫1, we show that the other principal longitudinal plasmon mode considered earlier by Adamset al. (1963) (which is largely independent of the magnetic field) dominates the plasmon-neutrino decay cooling of magnetic stars.
Acquista Charles
Morgenstern Horing Norman J.
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