Abstract
Quantum teleportation is a powerful protocol with applications in several schemes of quantum communication, quantum cryptography and quantum computing. The present work shows the required conditions for a two-qubit quantum gate to be deterministically and probabilistically teleported by a quantum gate teleportation scheme using different bases of measurement. Additionally, we present examples of teleportation of two-qubit gates that do not belong to Clifford group as well the limitations of the quantum gate teleportation scheme employing a four-qubit state with genuine four-way entanglement. At last, we provide a general decomposition of Clifford operations.
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Acknowledgments
This work was supported by the Brazilian agency CNPq via Grant No. 303514/2008-6. Also, this work was performed as part of the Brazilian National Institute of Science and Technology for Quantum Information.
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Mendes, F.V., Ramos, R.V. On the role of the basis of measurement in quantum gate teleportation. Quantum Inf Process 14, 2323–2343 (2015). https://doi.org/10.1007/s11128-014-0898-4
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DOI: https://doi.org/10.1007/s11128-014-0898-4