Axion-induced oscillations of cooperative electric field in a cosmic magneto-active plasma

被引：14
|
作者：
Balakin, Alexander B. [1 ]
Muharlyamov, Ruslan K. [1 ]
Zayats, Alexei E. [1 ]
机构：
[1] Kazan Fed Univ, Inst Phys, Dept Gen Relat & Gravitat, Kazan 420008, Russia
来源：
EUROPEAN PHYSICAL JOURNAL D | 2014年 / 68卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
DARK-MATTER;
D O I：
10.1140/epjd/e2014-50131-6
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We consider one cosmological application of an axionic extension of the Maxwell-Vlasov theory, which describes axionically induced oscillatory regime in the state of global magnetic field evolving in the anisotropic expanding (early) universe. We show that the cooperative electric field in the relativistic plasma, being coupled to the pseudoscalar (axion) and global magnetic fields, plays the role of a regulator in this three-level system; in particular, the cooperative (Vlasov) electric field converts the regime of anomalous growth of the pseudoscalar field, caused by the axion-photon coupling at the inflationary epoch of the universe expansion, into an oscillatory regime with finite density of relic axions. We analyze solutions to the dispersion equations for the axionically induced cooperative oscillations of the electric field in the relativistic plasma.
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收藏
页数：7
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