大高斯-博内d维黑洞的灰体因子
Greybody factors of large Gauss-Bonnet d-dimensional black holes
- ISCTE - Instituto Universitário de Lisboa（里斯本大学学院）
- Instituto de Telecomunicações（电信研究所）
机构由 AI 辅助整理，请以论文原文为准。
AI总结：
本文解析计算了具有高斯-博内修正的d维大球对称黑洞在高频极限下的灰体因子，涵盖eikonal与高度阻尼两种极限，发现三种引力扰动在高度阻尼下结果一致，eikonal下不同。
AI中文摘要：
我们解析计算了在高频极限下，具有高斯-博内修正的d维大球对称黑洞的灰体因子。我们的计算包括两个极限情况：eikonal极限，其中散射波频率的实部远大于虚部；以及高度阻尼情况，其中频率的虚部远大于实部，涉及引力子和测试标量场的发射，并给出完整的透射和反射散射系数。我们考虑了张量、矢量和标量引力扰动，在高度阻尼极限下三种情况得到相同结果，但在eikonal极限下结果不同。
英文摘要：
We compute analytically greybody factors for d-dimensional large spherically symmetric black holes with Gauss-Bonnet corrections in the high frequency limit. Our calculations include both the eikonal limit, where the real part of the frequency of the scattered wave is much larger than the imaginary part, and the highly damped case,where the imaginary part of the frequency is much larger than the real part, addressing the emission of gravitons and test scalar fields, and yielding full transmission and reflection scattering coefficients. We consider tensorial, vectorial and scalar gravitational perturbations, obtaining the same result for the three cases in the highly damped limit, but not in the eikonal limit.
