Entanglement and discord assisted entropic uncertainty relations under decoherence

• 作 者: YAO ChunMei CHEN ZhiHua MA Zhi
• 机 构: DepartmentofPhysicsandElectronicScience,DepartmentofPhysicsandAstronomy,DepartmentofScience,Centrefo
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2014年9期
• 关键词: 熵不确定性 定性关系 量子纠缠 和谐 退相干 不确定关系 马尔可夫 量子力学 entropic uncertainty relation entanglemen
• 基金项目: This work was supported by the National Natural Science Foundation of China （Grant Nos. 61144006, 11201427 and 10901103）, the Foundation of China Scholarship Council, the Project Fund of Hunan Provinc

The uncertainty principle is a crucial aspect of quantum mechanics.It has been shown that quantum entanglement as well as more general notions of correlations,such as quantum discord,can relax or tighten the entropic uncertainty relation in the presence o