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arXiv 0709.3876astro-ph
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核塌缩超新星爆炸的声学机制特征:用动力学方法重新研究

Features of the Acoustic Mechanism of Core-Collapse Supernova Explosions : Revisited using the Kinetic Approach

Zhu Guang Hua

摘要:

采用离散动力学模型研究了类硬盘旋转恒星(或涡旋气体)系统中声波的传播。异常(负)衰减或放大,这可能是由于足够稀释的旋转盘的二进制碰撞(或涡流-气体)系统(每个旋转方向或角动量符号相反,但总(净)角动量或涡度为零)或微观可逆性可能产生于碰撞过程中角动量的隐含平衡,并为理解宇宙可能的加速提供线索。射线通过这种通道和直接或反向涡旋气体级联的天体物理问题的二维湍流。

英文摘要:

The discrete kinetic model is used to study the propagation of sound waves in system of hard-disk-like rotating stars (or vortex gases). The anomalous (negative) attenuation or amplification which is possibly due to the binary collision of a dilute-enough rotating disk (or vortex-gas) system (each with opposite-sign rotating direction or angular momenta but the total (net) angular momenta or vorticity is zero) or microreversibility might arise from the implicit balance of the angular momentum during encounter and give clues to the understanding of possible acceleration of cosmic rays passing through this kind of channel and direct or inverse vortex-gas cascades in two-dimensional turbulence of astrophysical problems.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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