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The Information Content of Systems in General Physical Theories
2016
Electronic Proceedings in Theoretical Computer Science
What kind of object is a quantum state? Is it an object that encodes an exponentially growing amount of information (in the size of the system) or more akin to a probability distribution? It turns out that these questions are sensitive to what we do with the information. For example, Holevo's bound tells us that n qubits only encode n bits of classical information but for certain communication complexity tasks there is an exponential separation between quantum and classical resources. Instead
doi:10.4204/eptcs.214.5
fatcat:bmbenh7o2fhklckkzm54s4mfny