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The relation between entropy and information is well established; indeed, Shannon entropy is the seminal measure of the information in a system. The other question, about determinacy and information, is more complex, and even more complex yet when extended to the entire universe. Let us set aside, for now, the fact that quantum mechanics would seem to ...


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I don't think it is actually possible to have complete destructive interference everywhere in quantum mechanics (unless the state you started with has zero amplitude). The wavefunction of a particle contains all the information about that particle, including everything needed to calculate what it is going to do in the future. This means that a right ...


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If you teleport a qubit in a known state you can test whether the qubit at the end of the teleportation produces the right probabilities for measurement of some complete set of observables. There are many schemes for doing tomography on qubits, such as http://arxiv.org/abs/1310.4492. Also, quantum teleportation is not spooky, see ...



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