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Controlled Secret Sharing Protocol using a Quantum Cloning Circuit

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arxiv 1402.3031 v1 pith:XOTBS77R submitted 2014-02-13 quant-ph

Controlled Secret Sharing Protocol using a Quantum Cloning Circuit

classification quant-ph
keywords cloningcircuitprotocolcloneparametersprobabilityquantumqubits
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We demonstrate the possibility of controlling the success probability of a secret sharing protocol using a quantum cloning circuit. The cloning circuit is used to clone the qubits containing the encoded information and {\em en route} to the intended receipients. The success probability of the protocol depends on the cloning parameters used to clone the qubits. We also establish a relation between the concurrence of initially prepared state, entanglement of the mixed state received by the receivers after cloning scheme and the cloning parameters of cloning machine.

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