Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1765016 | Advances in Space Research | 2012 | 6 Pages |
Abstract
Process of second harmonics generation due to development of corresponding instability has been investigated for pure electron weakly oblique Bernstein mode. This mode was supposed to be modified by taking into account the influence of pair Coulomb collisions and weak large-scale electric field in flare loop. Investigated area was located near the loop foot-point in the “lower-middle” chromosphere of active region. It has been shown, that for the Fontenla-Avrett-Loeser model of solar atmosphere the investigated process of second harmonics generation starts at the extremely low threshold values of subdreicer electric field, well before the beginning of “preheating” phase of flare process.
Keywords
Related Topics
Physical Sciences and Engineering
Earth and Planetary Sciences
Space and Planetary Science
Authors
A.N. Kryshtal, S.V. Gerasimenko, A.D. Voitsekhovska,