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Quantum Cloning by Cellular Automata

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arxiv 1212.4704 v2 pith:BCT4WGP5 submitted 2012-12-19 quant-ph

Quantum Cloning by Cellular Automata

classification quant-ph
keywords cloningautomatoncellularquantumachievesallowsapproximateautomata
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We introduce a quantum cellular automaton that achieves approximate phase-covariant cloning of qubits. The automaton is optimized for 1-to-2N economical cloning. The use of the automaton for cloning allows us to exploit different foliations for improving the performance with given resources.

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