Department of Physics, Queen's University, Kingston, Ontario, Canada, K7L 3N6.
Phys Rev Lett. 2010 May 28;104(21):211102. doi: 10.1103/PhysRevLett.104.211102. Epub 2010 May 26.
On the basis of the Kerr metric as a model for a spinning black hole accreting test particles from rest at infinity, I show that the center-of-mass energy for a pair of colliding particles is generically divergent at the inner horizon. This shows not only that classical black holes are internally unstable, but also that Planck-scale physics is a characteristic feature within black holes at scales much larger that the Planck length. The novel feature of the divergence discussed here is that the phenomenon is present only for black holes with rotation, and in this sense it is distinct from the well-known Cauchy horizon instability.
基于 Kerr 度规作为旋转黑洞从无穷远处吸积静止测试粒子的模型，我表明，一对碰撞粒子的质心能量在内部视界处普遍发散。这不仅表明经典黑洞是内部不稳定的，而且表明在比普朗克长度大得多的尺度内，黑洞内部存在普朗克尺度物理学这一特征。这里讨论的发散的新颖特征是，这种现象仅存在于具有旋转的黑洞中，从这个意义上说，它与众所周知的 Cauchy 视界不稳定性不同。
