Optimal probabilistic cloning of two linearly independent states with arbitrary probability distribution

Optimal probabilistic cloning of two linearly independent states with arbitrary probability... We investigate the probabilistic quantum cloning (PQC) of two states with arbitrary probability distribution. The optimal success probabilities are worked out for $$1\rightarrow 2$$ 1 → 2 PQC of the two states. The results show that the upper bound on the success probabilities of PQC in Qiu (J Phys A 35:6931–6937, 2002) cannot be reached in general. With the optimal success probabilities, we design simple forms of $$1\rightarrow 2$$ 1 → 2 PQC and work out the unitary transformation needed in the PQC processes. The optimal success probabilities for $$1\rightarrow 2$$ 1 → 2 PQC are also generalized to the $$M\rightarrow N$$ M → N PQC case. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Optimal probabilistic cloning of two linearly independent states with arbitrary probability distribution

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Springer US
Copyright © 2015 by Springer Science+Business Media New York
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
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