• Corpus ID: 202577227

Coherence as witness for quantumness of gravity

@article{Ghoshal2019CoherenceAW,
  title={Coherence as witness for quantumness of gravity},
  author={Ahana Ghoshal and Arun Kumar Pati and Ujjwal Sen},
  journal={arXiv: Quantum Physics},
  year={2019}
}
We propose an interferometric set-up that utilizes the concept of quantum coherence to provide quantum signatures of gravity. The gravitational force comes into nontrivial play due to the existence of an extra mass in the set-up that transforms an incoherent state to a coherent state. The implication uses the fact that quantum coherence at a certain site cannot be altered by local actions at a separate site. The ability to transform an incoherent state to a coherent one in the presence of… 

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