439 citations · 490 across the 11 of their papers we have counts for
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quant-ph2004
Comment on 'quantum dialogue'
Qing-yu Cai
In this comment, we want to emphasize that when the state of the two qubit is or , Bob's Bell basis measurement outcome can not be . Als…
quant-ph2004
Eavesdropping on the Bostroem-Filbinger Communication Protocol in Noisy Quantum Channel
Qing-yu Cai
We show an eavesdropping scheme on Bostr\UNICODE{0xf6}m-Felbinger communication protocol (called ping-pong protocol) [Phys. Rev. Lett. 89, 187902 (2002)] in an ideal quantum channe…
quant-ph2004
N-Partner Secure Direct Communication Based on Quantum Nonlocality
LV Hua, Qing-Yu Cai
A multipartner secure direct communication protocol is presented, using quantum nonlocality. Security of this protocol is based on `High fidelity implies low entropy'. When the ent…