Open AccessExcitation of Langmuir waves in interplanetary space
Author(s) -
Yoon Peter H.,
Ziebell L. F.,
Wu C. S.
Publication year - 2000
Publication title -
journal of geophysical research: space physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.67
H-Index - 298
eISSN - 2156-2202
pISSN - 0148-0227
DOI - 10.1029/2000ja000230
Subject(s) - physics , excitation , langmuir , distribution function , excited state , electron , computational physics , atomic physics , plasma oscillation , plasma , geophysics , quantum mechanics , chemistry , aqueous solution
In this paper, the relation between the apparently stable or marginally stable electron reduced distribution and the excitation of Langmuir waves is discussed. It is found that the positive slope in the reduced distribution function is not always necessary for the excitation of Langmuir waves and that under certain circumstances, Langmuir waves propagating in oblique directions with respect to the ambient magnetic field can be excited by the electrons which may not have a bump in the reduced distribution.