PhysicsWorld: Quantum gravity could be tested using ultracold atoms

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Quantum gravity might soon be tested in the lab, thanks to a new analysis from our nodes in the UK, France and Hong Kong. Drawing on advances in quantum information science, the researchers have found that if gravity is fundamentally quantum rather than classical it must generate a signature known as non-Gaussianity. To look for that signature, they propose probing an ultra-cold gas of several billion caesium atoms existing in a state known as a Bose-Einstein condensate (BEC).

See the article here.