Generalized quantum telecloning |
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Authors: | G Gordon G Rigolin |
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Institution: | 1.Department of Chemical Physics,Weizmann Institute of Science,Rehovot,Israel;2.Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas,Campinas S?o Paulo,Brazil |
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Abstract: | We present a generalized telecloning (GTC) protocol
where the quantum channel is non-optimally entangled and we study
how the fidelity of the telecloned states depends on the
entanglement of the channel. We show that one can increase the
fidelity of the telecloned states, achieving the optimal value in
some situations, by properly choosing the measurement basis at
Alice's, albeit turning the protocol to a probabilistic one. We
also show how one can convert the GTC protocol to the
teleportation protocol via proper unitary operations. |
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Keywords: | 03 67 Mn Entanglement production characterization and manipulation 03 67 Hk Quantum communication 03 67 -a Quantum information |
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