2 papers
quant-ph2004
Economically Improving Message-Unilaterally-Transmitted Quantum Secure Direct Communication to Realize Two-Way Communication
Zhan-jun Zhang, Zhong-xiao Man, Yong Li
We present a subtle idea to economically improve message-unilaterally-transmitted quantum secure direct communication (QSDC) protocols to realize two-way secure direct communicatio…
quant-ph2004
Less eavesdropping losses induce more eavesdropping information gain
Zhanjun Zhang, Zhongxiao Man, Yong Li
The eavesdropping scheme proposed by Wójcik [Phys. Rev. Lett. {\bf 90},157901(2003)] on the quantum communication protocol of Boström and Felbinger [Phys. Rev. Lett. {\bf 89}, 1879…