# Spin Entanglement Witness for Quantum Gravity.

@article{Bose2017SpinEW, title={Spin Entanglement Witness for Quantum Gravity.}, author={Sougato Bose and Anupam Mazumdar and Gavin W. Morley and Hendrik Ulbricht and Marko Toro{\vs} and Mauro Paternostro and Andrew A Geraci and Peter Barker and M. S. Kim and Gerard J. Milburn}, journal={Physical review letters}, year={2017}, volume={119 24}, pages={ 240401 } }

Understanding gravity in the framework of quantum mechanics is one of the great challenges in modern physics. However, the lack of empirical evidence has lead to a debate on whether gravity is a quantum entity. Despite varied proposed probes for quantum gravity, it is fair to say that there are no feasible ideas yet to test its quantum coherent behavior directly in a laboratory experiment. Here, we introduce an idea for such a test based on the principle that two objects cannot be entangled…

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