9/7/2023 0 Comments No clone theorem![]() ![]() This theorem is an important qualifier to quantum entanglement (more popularly known as Einstein’s “spooky action at a distance”). One is the “ no-communication” (or “no-signaling”) theorem which shows that instantaneous sharing of information between two observers is an impossibility. There are several theorems that are the “no-go” type within quantum information theory. In mathematics, the way to show that something cannot happen is to argue a proof of impossibility, which is actually more difficult than showing that something is in fact possible. A “no-go” theorem in theoretical physics is, well, exactly what it sounds like - a theorem describing a situation that is not physically possible.
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