@article{https://doi.org/10.48550/arxiv.2112.08564,
doi = {10.48550/ARXIV.2112.08564},
url = {https://arxiv.org/abs/2112.08564},
author = {Guff,
Thomas and Boulle,
Nicolas and Pikovski,
Igor},
keywords = {Quantum Physics (quant-ph),
FOS: Physical sciences,
FOS: Physical sciences},
title = {Optimal Fidelity Witnesses for Gravitational Entanglement},
publisher = {arXiv},
year = {2021},
copyright = {arXiv.org perpetual,
non-exclusive license} }