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arXiv:1504.00833 · Quantum Information Processing

A general method for selecting quantum channel for bidirectional controlled state teleportation and other schemes of controlled quantum communication

Kishore Thapliyal, Amit Verma, Anirban Pathak

Published Sep 18, 2015• 52 citations
arXivHTMLPDF
DOI
10.1007/s11128-015-1124-8

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A total of seven qubits are in a maximally entangled state. Using such an entangled state as quantum channel is based on the construction requirements of quantum long-distance communication [Pan et al., Nature 488, 185 (2012)]. Multi-party quantum channel (QC) should be studied. We put forward three deterministic bidirectional quantum controlled teleportation (BQCT) schemes. To be specific, BQCT can be realized between any two parties in a deterministic manner with another as the control. Alternatively, the BQCT capacity of such state in the given qubit distribution is thus essentially revealed by virtue of the schemes.