Linear theory of low frequency magnetosonic instabilities in counterstreaming bi-Maxwellian plasmas
An effect of the bi-Maxwellian counterstreaming distribution function is analyzed with regard to the linear low frequency instabilities in magnetized homogeneous collisionless plasmas. New analytical marginal instability conditions for the firehose and the mirror modes have been obtained. Presence o...
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| Veröffentlicht in: | Physics of plasmas 2015-09, Vol.22 (9) |
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| creator | Vafin, S. Schlickeiser, R. Yoon, P. H. |
| description | An effect of the bi-Maxwellian counterstreaming distribution function is analyzed with regard to the linear low frequency instabilities in magnetized homogeneous collisionless plasmas. New analytical marginal instability conditions for the firehose and the mirror modes have been obtained. Presence of counterstreams along the ambient magnetic field causes a huge effect on the instability conditions of those modes. The instability conditions very sensitively depend on the functional dependence of the counterstreaming parameter P. The theoretically predicted results might give a full potential explanation for the observed solar wind temperature anisotropy diagram in A-β∥ plane [S. D. Bale et al., Phys. Rev. Lett. 103, 211101 (2009)]. |
| doi_str_mv | 10.1063/1.4932004 |
| format | Article |
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H.</creatorcontrib><title>Linear theory of low frequency magnetosonic instabilities in counterstreaming bi-Maxwellian plasmas</title><title>Physics of plasmas</title><description>An effect of the bi-Maxwellian counterstreaming distribution function is analyzed with regard to the linear low frequency instabilities in magnetized homogeneous collisionless plasmas. New analytical marginal instability conditions for the firehose and the mirror modes have been obtained. Presence of counterstreams along the ambient magnetic field causes a huge effect on the instability conditions of those modes. The instability conditions very sensitively depend on the functional dependence of the counterstreaming parameter P. The theoretically predicted results might give a full potential explanation for the observed solar wind temperature anisotropy diagram in A-β∥ plane [S. D. Bale et al., Phys. Rev. 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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Anisotropy Collisionless plasmas Dependence Distribution functions Frequency stability Low frequencies Parameter sensitivity Plasma physics Solar wind Stability analysis |
| title | Linear theory of low frequency magnetosonic instabilities in counterstreaming bi-Maxwellian plasmas |
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