Exact gravitational shock waves and Planckian scattering on branes

被引:43
作者
Emparan, R [1 ]
机构
[1] CERN, Div Theory, CH-1211 Geneva 23, Switzerland
[2] Univ Basque Country, Dept Fis Teor, E-48080 Bilbao, Spain
关键词
D O I
10.1103/PhysRevD.64.024025
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We obtain a solution describing a gravitational shock wave propagating along a Randall-Sundrum brane. The interest of such a solution is twofold: on the one hand, it is the first exact solution for a localized source on a Randall-Sundrum three-brane; On the other hand, one can use it to study forward scattering at Planckian energies, including the effects of the continuum of Kaluza-Klein modes. We map out the different regimes for the scattering obtained by varying the center-of-mass energy and the impact parameter. We also discuss exact shock waves in ADD scenarios with, compact extra dimensions.
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页数:9
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