title: Experimental investigation of the information entropic Bell inequality.
abstract: Inequalities of information entropic play a fundamental role in information theory and have been employed effectively in finding bounds on optimal rates of various information-processing tasks. In this paper, we perform the first experimental demonstration of the information-theoretic spin-1/2 inequality using the high-fidelity entangled state. Furthermore, we study the evolution of information difference of entropy when photons passing through different noisy channels and give the experimental rules of the information difference degradation. Our work provides an new essential tool for quantum information processing and measurement, and offers new insights into the dynamics of quantum correlation in open systems.
authors.affiliation: Department of Physics and Optoelectronic Engineering, Weifang University, Weifang, Shandong 261061, China.
authors.forename: Lian-Zhen
authors.initials: LZ
authors.lastname: Cao
authors.affiliation: Department of Physics and Optoelectronic Engineering, Weifang University, Weifang, Shandong 261061, China.
authors.forename: Jia-Qiang
authors.initials: JQ
authors.lastname: Zhao
authors.affiliation: Department of Physics and Optoelectronic Engineering, Weifang University, Weifang, Shandong 261061, China.
authors.forename: Xia
authors.initials: X
authors.lastname: Liu
authors.affiliation: Department of Physics and Optoelectronic Engineering, Weifang University, Weifang, Shandong 261061, China.
authors.forename: Yang
authors.initials: Y
authors.lastname: Yang
authors.affiliation: Department of Physics and Optoelectronic Engineering, Weifang University, Weifang, Shandong 261061, China.
authors.forename: Ying-De
authors.initials: YD
authors.lastname: Li
authors.affiliation: Department of Physics and Optoelectronic Engineering, Weifang University, Weifang, Shandong 261061, China.
authors.forename: Xiao-Qin
authors.initials: XQ
authors.lastname: Wang
authors.affiliation: Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
authors.forename: Zeng-Bing
authors.initials: ZB
authors.lastname: Chen
authors.affiliation: Department of Physics and Optoelectronic Engineering, Weifang University, Weifang, Shandong 261061, China.
authors.forename: Huai-Xin
authors.initials: HX
authors.lastname: Lu