当前位置: X-MOL 学术Eur. Phys. J. C › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Brane cosmology and the self-tuning of the cosmological constant in the presence of bulk black holes
The European Physical Journal C ( IF 4.4 ) Pub Date : 2020-07-22 , DOI: 10.1140/epjc/s10052-020-8185-2
P. Betzios , O. Papadoulaki

Motivated by the holographic self-tuning proposal of the cosmological constant, we generalize and study the cosmology of brane-worlds embedded in a higher-dimensional bulk black hole geometry. We describe the equations and matching conditions in the case of flat, spherical and hyperbolic slicing of the bulk geometry and find the conditions for the existence of a static solution. We solve the equations that govern dynamical geometries in the probe brane limit and we describe in detail the resulting brane-world cosmologies. Of particular interest are the properties of solutions when the brane-world approaches the black hole horizon. In this case the geometry induced on the brane is that of de Sitter, whose entropy and temperature is related to those of the higher dimensional bulk black hole.

中文翻译:

存在大量黑洞时的Brane宇宙学和宇宙常数的自整定

受宇宙常数的全息自校正提议的启发,我们归纳并研究了嵌入高维块黑洞几何体中的世界的宇宙学。我们在整体几何的平面,球形和双曲线切片的情况下描述方程式和匹配条件,并找到存在静态解的条件。我们求解了控制探针臂极限内的动态几何形状的方程式,并详细描述了由此产生的臂间世界的宇宙学。当大脑世界接近黑洞视界时,解决方案的性质尤其令人关注。在这种情况下,在米糠上诱发的几何形状是de Sitter的几何形状,其熵和温度与高维体黑洞的熵和温度有关。
更新日期:2020-07-22
down
wechat
bug