@misc{brizuela2019quantum,
  title={Quantum-gravity effects for excited states of inflationary perturbations},
  author={David Brizuela and Claus Kiefer and Manuel Kraemer and Salvador Robles-Pérez},
  year={2019},
  eprint={1903.01234},
  archivePrefix={arXiv},
  primaryClass={gr-qc},
  url={https://arxiv.org/abs/1903.01234}
}