2014
DOI: 10.1063/1.4873375
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Effects of ion abundances on electromagnetic ion cyclotron wave growth rate in the vicinity of the plasmapause

Abstract: Articles you may be interested inFrequency sweep rates of rising tone electromagnetic ion cyclotron waves: Comparison between nonlinear theory and Cluster observation Phys. Plasmas 21, 122309 (2014); 10.1063/1.4905065Effect of Alfvén waves on the growth rate of the electron-cyclotron maser emission

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Cited by 11 publications
(14 citation statements)
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“…First, nonlinear processes might play a part in the evolution of the vanishing stop band since the waves in our case have a large amplitude of 5 nT (see Figure 1c). Next, as demonstrated in Mace et al [2011] and Henning and Mace [2014], hot H + ions with a kappa distribution could play an important role in the generation of the instabilities of all three EMIC branches. It seems that hot H + ions with kappa distributions might take some effects in the vanishing stop band.…”
Section: Discussionmentioning
confidence: 88%
See 1 more Smart Citation
“…First, nonlinear processes might play a part in the evolution of the vanishing stop band since the waves in our case have a large amplitude of 5 nT (see Figure 1c). Next, as demonstrated in Mace et al [2011] and Henning and Mace [2014], hot H + ions with a kappa distribution could play an important role in the generation of the instabilities of all three EMIC branches. It seems that hot H + ions with kappa distributions might take some effects in the vanishing stop band.…”
Section: Discussionmentioning
confidence: 88%
“…Next, as demonstrated in Mace et al . [] and Henning and Mace [], hot H + ions with a kappa distribution could play an important role in the generation of the instabilities of all three EMIC branches. It seems that hot H + ions with kappa distributions might take some effects in the vanishing stop band.…”
Section: Discussionmentioning
confidence: 99%
“…However, O + abundances can be highly variable and minor ion abundances play a role in the dispersion relation and the calculation of the diffusion coefficients. Some previous studies have used linear kinetic theory [e.g., Mace et al ., ; Henning and Mace , ; Wang et al ., ] or hybrid simulations [e.g., Denton and Hu , ; Denton et al ., ] to show that high He + abundance or high O + ion abundance strongly suppresses the growth of H + band EMIC waves. Since this study focuses on the role of H + band EMIC waves in driving the bounce resonance with radiation belt electrons, we have therefore adopted the above set of ion concentration ratios for our numerical calculations.…”
Section: Discussionmentioning
confidence: 99%
“…To include these effects in the analysis, we assume the electrons bi-Kappa distributed (Summers & Thorne 1991), a model widely invoked to describe the kinetic instabilities in space plasmas (Mace et al 2011;Kourakis et al 2012;Lazar 2012;Henning and Mace 2014;Lazar et al 2015). In Section 2 we introduce the distribution models for electrons and protons, and provide the dispersion relation for the EMIC modes.…”
Section: Introductionmentioning
confidence: 99%