2000/12/31 by Gui Lu Long, Xiao Shu Liu · 2 citations
Physics and Astronomy · #quant-ph
paper · pdf · doi:10.1103/physreva.65.032302
published as Phys. Rev. A 65 (2002) 032302 · 3 pages and 1 figure, to appear in Physical Review A
arxiv created 2001/12/26 · arxiv updated 2009/12/01
A theoretical quantum key distribution scheme using EPR pairs is presented. This scheme is efficient in that it uses all EPR pairs in distributing the key except those chosen for checking eavesdroppers. The high capacity is achieved because each EPR pair carries 2 bits of key code.