Metric of quantum states plays an important role in quantum information theory. In this letter, we find the deep connection between quantum logic theory and quantum information theory. Using the method of quantum logi...Metric of quantum states plays an important role in quantum information theory. In this letter, we find the deep connection between quantum logic theory and quantum information theory. Using the method of quantum logic, we can get a famous inequality in quantum information theory, and we answer a question raised by S. Gudder.展开更多
In this paper,we introduce some new metrics between quantum states based on partial fidelity and partial super-fidelity and discuss their properties.We show that the new metrics are useful measures in quantum informat...In this paper,we introduce some new metrics between quantum states based on partial fidelity and partial super-fidelity and discuss their properties.We show that the new metrics are useful measures in quantum information processing.展开更多
基金supported by the New Teachers Foundation of Ministry of Education of China under Grant No.20070248087
文摘Metric of quantum states plays an important role in quantum information theory. In this letter, we find the deep connection between quantum logic theory and quantum information theory. Using the method of quantum logic, we can get a famous inequality in quantum information theory, and we answer a question raised by S. Gudder.
基金Supported by the Natural Science Foundation of China under Grant Nos.11361042,11071108,11171301the Natural Science Foundation of Jiangxi Province of China under Grant Nos.2013BAB201001,2010GZS0147the Youth Foundation of the Education Department of Jiangxi under Grant No.GJJ13012
文摘In this paper,we introduce some new metrics between quantum states based on partial fidelity and partial super-fidelity and discuss their properties.We show that the new metrics are useful measures in quantum information processing.
