摘要
A simpler criterion is presented to judge whether a W state can be taken as quantum channel forperfectly splitting or teleporting an arbitrary single-qubit state. If the W state is usable,the detailed manipulations in the two quantum information processes are amply shown. Moreover,some relevant discussions are made.
A simpler criterion is presented to judge whether a W state can be taken as quantum channel for perfectly splitting or teleporting an arbitrary single-qubit state. If the W state is usable, the detailed manipulations in the two quantum information processes are amply shown. Moreover, some relevant discussions are made.
基金
Supported by the Program for New Century Excellent Talents at the University of China (Grant No. NCET-06-0554)
the National NaturalScience Foundation of China (Grant Nos. 10975001, 60677001, 10747146, and 10874122)
the Science-Technology Fund of Anhui Province forOutstanding Youth (Grant No. 06042087)
the Key Fund of the Ministry of Education of China (Grant No. 206063)
the General Fundof the Educational Committee of Anhui Province (Grant No. 2006KJ260B)
the Talent Foundation of Higher Education of Anhui Provincefor Outstanding Youth (Grant No. 2009SQRZ018)
the Natural Science Foundation of Guangdong Province (Grant Nos. 06300345 and7007806)
