Fringe visibility and correlation in Mach–Zehnder interferometer with an asymmetric beam splitter  

作　　者：Yan-Jun Liu Mei-Ya Wang Zhong-Cheng Xiang Hai-Bin Wu 刘彦军;王美亚;相忠诚;吴海滨(College of Physics,Mechanical and Electronical College,Shijiazhuang University,Shijiazhuang 050035,China;Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China)

机构地区：[1]College of Physics,Mechanical and Electronical College,Shijiazhuang University,Shijiazhuang 050035,China [2]Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China

出　　处：《Chinese Physics B》2022年第11期225-230,共6页中国物理B（英文版）

基　　金：Project supported by the National Natural Science Foundation of China(Grant No.11975095);the Natural Science Foundation of Hebei Province,China(Grant No.A2022106001);Shijiazhuang University Doctoral Scientific Research Startup Fund Project(Grant No.20BS023)。

摘　　要：We study the wave–particle duality in a general Mach–Zehnder interferometer with an asymmetric beam splitter from the viewpoint of quantum information theory.The correlations(including the classical correlation and the quantum correlation)between the particle and the which-path detector are derived when they are in pure state or mixed state at the output of Mach–Zehnder interferometer.It is found that the fringe visibility and the correlations are effected by the asymmetric beam splitter and the input state of the particle.The complementary relations between the fringe visibility and the correlations are also presented.

关 键 词：wave-particle duality fringe visibility CORRELATION general Mach-Zehnder interferometer 

分 类 号：O413[理学—理论物理]