Micro-macro entangled ‘cat states’ could one day test quantum gravity

(Phys.org) —In Schrödinger’s famous thought experiment, a cat’s quantum state becomes entangled with the quantum state of a decaying nucleus, resulting in the odd situation that the cat is both alive and dead at the same time. The thought experiment was originally intended to convey the absurdity of applying quantum mechanics to macroscopic objects, but recently physicists have been questioning whether “quantum” effects such as entanglement and superposition may apply on all scales.

from Phys.org: Physics News http://ift.tt/1j0kGj3

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