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arXiv 1910.04068gr-qcastro-ph.HEhep-th
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史瓦西黑洞作为加速粒子的加速器

Schwarzschild black hole as accelerator of accelerated particles

O. B. Zaslavskii

摘要:

我们考虑两个粒子在非极值静态黑洞视界附近的碰撞。至少有一个是加速的。我们证明了尽管黑洞既不旋转也不带电,但质心的能量$E_{c.m.}$可以变得无界。特别是,这种情况甚至发生在史瓦西黑洞。使其成为可能的关键因素是正加速度(斥力)的存在。然后,如果其中一个粒子被适当地微调,效果就会发生。这种加速度在粒子的情况下可以由外力引起,在宏观物体(“火箭”)的情况下可以由某种发动机引起。如果力是吸引力,则$E_{c.m.}$是有界的,但相反,彭罗斯效应的类似物是可能的。

英文摘要:

We consider collision of two particles near the horizon of a nonextremal static black hole. At least one of them is accelerated. We show that the energy $E_{c.m.}$ in the center of mass can become unbounded in spite of the fact that a black hole is neither rotating nor electrically charged. In particular, this happens even for the Schwarzschild black hole. The key ingredient that makes it possible is the presence of positive acceleration (repulsion). Then, if one of particles is fine-tuned properly, the effect takes place. This acceleration can be caused by an external force in the case of particles or some engine in the case of a macroscopic body ("rocket"). If the force is attractive, $E_{c.m.}$ is bounded but, instead, the analogue of the Penrose effect is possible.

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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