Weyl-Weyl correlator in de Donder gauge on de Sitter space

被引：15
|
作者：
Mora, P. J. [1 ]
Tsamis, N. C. [2 ]
Woodard, R. P. [1 ]
机构：
[1] Univ Florida, Dept Phys, Gainesville, FL 32611 USA
[2] Univ Crete, Inst Theoret Phys & Computat Phys, Dept Phys, GR-71003 Iraklion, Greece
来源：
PHYSICAL REVIEW D | 2012年 / 86卷 / 08期
基金：
美国国家科学基金会;
关键词：
GRAVITON PROPAGATOR; 2-POINT FUNCTION; SCALAR FIELD;
D O I：
10.1103/PhysRevD.86.084016
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute the linearized Weyl-Weyl correlator using a new solution for the graviton propagator on de Sitter background in de Donder gauge. The result agrees exactly with a previous computation in a noncovariant gauge. We also use dimensional regularization to compute the one-loop expectation value of the square of the Weyl tensor.
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页数：7
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