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We consider the N→M probabilistically perfect quantum cloning machine that perfectly produces M faithful copies from N identical input states, where the input states are selected, with prior probabilities η 1 and η 2 =1−η 1 , from a given set of the two linearly independent states |ψ 1 〉 ⊗N =(cosθ|0〉+sinθ|1〉) ⊗N and |ψ 2 〉 ⊗N =(sinθ|0〉+cosθ|1〉)...
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