Project supported by the National Natural Science Foundation of China (Grant Nos. 11047133 and 10647133);the Natural Science Foundation of Jiangxi Province of China (Grant Nos. 2009GQS0080 and 2010GQW0027);the Research Foundation of the Education Department of Jiangxi Province of China (Grant Nos. GJJ11339 and GJJ10097)
We explore how a two-mode squeezed vacuum state sechθeab tanh θ[00) evolves when it undergoes a single- mode amplitude dissipative channel with rate of decay k. We find that in this process not only the squeezing p...
supported by the National Natural Science Foundation of China (10647133);the Natural Science Foundation of Jiangxi Province (2007GQS1906, 2009GQS0080);the Research Foundation of the Education Department of Jiangxi Province ([2007]22, GJJ10070);the Scientific Research Start-up Foundation for the Recruitment Talent of Nanchang University of China
Based on strong designated verifiers signatures,a new fair concurrent signature scheme is proposed. Compared with the previous concurrent signature schemes,even if a keystone must be chosen by the initial signer,the m...