arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1012.4180gr-qchep-ph
收藏

洛伦兹破坏时空中的黑洞动力学演化

Black hole dynamical evolution in a Lorentz-violating spacetime

S. Esposito, G. Salesi

摘要:

我们在具有Schwarzchild类动量依赖度规的Lorentz破坏时空框架下研究了黑洞的动力学演化。从霍金-贝肯斯坦预测的大偏差,得到的洛伦兹破坏参数λ的值的不同。一个非平凡的演化出现了,主要是由于存在一个非零的最小质量:对于大的洛伦兹违背,大部分的黑洞蒸发发生在初始阶段,然后是一个稳定的阶段(其持续时间取决于λ的值),在那里质量没有明显的变化。此外,对于演化的最后阶段,我们的模型预测了黑洞甜蜜的缓慢死亡,它的“慢”又取决于λ,与标准理论预测的猛烈的最终爆炸形成对比。

英文摘要:

We consider the black hole dynamical evolution in the framework of a Lorentz-violating spacetime endowed with a Schwarzchild-like momentum-dependent metric. Large deviations from the Hawking-Bekenstein predictions are obtained, depending on the values of the Lorentz-violating parameter lambda introduced. A non-trivial evolution comes out, following mainly from the existence of a non-vanishing minimum mass: for large Lorentz violations, most of the black hole evaporation takes place in the initial stage, which is then followed by a stationary stage (whose duration depends on the value of lambda) where the mass does not change appreciably. Furthermore, for the final stage of evolution, our model predicts a sweet slow death of the black hole, whose "slowness" again depends on lambda, in contrast with the violent final explosion predicted by the standard theory.

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。

↑