太阳大气能否产生甚高能宇宙射线?
Can the solar atmosphere generate very high energy cosmic rays?
AI总结:
本文研究太阳大气能否产生甚高能宇宙射线,通过共振波-波相互作用加速耀斑电子,理论上可达到银河宇宙射线能量。
摘要:
空间中高能粒子(宇宙射线)的起源和加速是现代天体物理学的重要课题。在高能粒子的起源和加速中,构成宇宙射线的过程可能仍是现代天体物理学的重要课题。在银河宇宙射线和太阳宇宙射线这两类中,后者被研究得少得多。太阳宇宙射线粒子的主要来源是磁化等离子体的爆发性爆炸,即太阳耀斑和日冕物质抛射。然而,与银河宇宙射线相比,这些粒子的能量相对较低。在这项工作中,我们探索了太阳活动区发射的偏振电磁辐射与太阳耀斑期间产生的高能相对论电子相关的量子波之间的共振波-波(RWW)相互作用。在数学上,RWW相互作用问题归结为分析嵌入电磁场中的Klein-Gordon方程(无自旋电子)。我们发现RWW可以将相对论电子加速到巨大能量,甚至可与银河宇宙射线的能量相当。
英文摘要:
The origin and acceleration of high-energy particles in space (cosmic rays), constitute important topics in modern astrophysics. Among the The origin and acceleration of high-energy particles, constituting cosmic rays, is likely to remain an important topic in modern astrophysics. Among the two categories - galactic and solar cosmic rays - the latter are much less investigated. Primary source of solar cosmic ray particles are impulsive explosions of the magnetized plasma known as solar flares and coronal mass ejections. These particles, however, are characterized by relatively low energies compared to their galactic counterparts. In this work, we explore resonance wave-wave (RWW) interaction between the polarized electromagnetic radiation emitted by the solar active regions, and the quantum waves associated with high-energy, relativistic electrons generated during solar flares. Mathematically, the RWW interaction problem boils down to analyzing a Klein-Gordon equation (spin less electrons) embedded in the electromagnetic field. We find that RWW could accelerate the relativistic electrons to enormous energies even comparable to energies in the galactic cosmic rays.
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