A symmetric and(n,n)-threshold scheme for a sender to partition his/her arbitrary single-qubit information among n recipients is proposed by using a newly constructed asymmetric(n+1)-qubit W state.Both the scheme in s...A symmetric and(n,n)-threshold scheme for a sender to partition his/her arbitrary single-qubit information among n recipients is proposed by using a newly constructed asymmetric(n+1)-qubit W state.Both the scheme in some given scenarios and the new W state are also discussed given.展开更多
基金Supported by the Program for New Century Excellent Talents at the University of China (Grant No. NCET-06-0554)the National Natural Science Foundation of China (Grant Nos.60677001,10747146,and 10874122)+4 种基金the Science-Technology Fund of Anhui Province for Outstanding Youth (Grant No.06042087)the Key Fund of the Ministry of Education of China (Grant No.206063)the General Fund of the Educational Committee of Anhui Province (Grant No.2006KJ260B)the Natural Science Foundation of Guangdong Province of China (Grant Nos.06300345 and 7007806)the Talent Foundation of High Education of Anhui Province for Outstanding Youth (Grant No.2009SQRZ018)
文摘A symmetric and(n,n)-threshold scheme for a sender to partition his/her arbitrary single-qubit information among n recipients is proposed by using a newly constructed asymmetric(n+1)-qubit W state.Both the scheme in some given scenarios and the new W state are also discussed given.
