On the graviton two-point function and its infrared behavior in de Sitter spacetime
General Relativity and Quantum Cosmology
2017-04-04 v1
Abstract
In our previous paper (Phys. Rev. D 94, 104030 (2016)), inspired by the work of Allen and Turyn (Nucl. Phys. B 292, 813 (1987)), we expressed the graviton two-point function in terms of maximally symmetric bitensors in de Sitter spacetime. Quite contrary to the result of their work, however, we explicitly showed that the de Sitter symmetry breaking is universal and the associated infrared divergences cannot be gauged away. In this Letter, the origin of this contradiction, which is greatly related to the well-known scientific dispute about the infrared behavior of the graviton two-point function, is clarified.
Keywords
Cite
@article{arxiv.1704.00277,
title = {On the graviton two-point function and its infrared behavior in de Sitter spacetime},
author = {Surena Rahbardehghan and Hamed Pejhan},
journal= {arXiv preprint arXiv:1704.00277},
year = {2017}
}