Operator Product Expansion of Inflationary Correlators and Conformal Symmetry of de Sitter

@misc{kehagias2012operatorproductexpansion,
      title={Operator Product Expansion of Inflationary Correlators and Conformal Symmetry of de Sitter},
      author={A. Kehagias and A. Riotto},
      year={2012},
      eprint={1205.1523},
      archivePrefix={arXiv},
      primaryClass={hep-th},
      url={https://arxiv.org/abs/1205.1523},
}