Authors: Masataka Ohta
Unlimited quantum parallelism is the key to make, in theory, quantum computers more powerful than classical ones. However, in practice, noisy quantum devices have limited quantum parallelism, which is directly derived from limited channel capacity of noisy quantum channels. As a result, in practice, quantum computers are only as powerful as classical ones.
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[v1] 2017-11-04 15:12:41
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