@article{Ke:2020:1674-1056/ab7ea2,
author = {Ke, Z-J and Meng, Y and Wang, Y-T and Yu, S and Liu, W and Li, Z-P and Wang, H and Li, Q and Xu, J-S and Tang, J-S and Li, C-F and Guang-Can, G},
doi = {1674-1056/ab7ea2},
journal = {Chinese Physics B},
pages = {050307--050307},
title = {Experimental demonstration of tight duality relation in three-path interferometer*},
url = {http://dx.doi.org/10.1088/1674-1056/ab7ea2},
volume = {29},
year = {2020}
}

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TY  - JOUR
AB  - <jats:p>Bohr’s principle of complementarity has a long history and it is an important topic in quantum theory, among which the famous example is the duality relation. The relation between visibility <jats:italic>C</jats:italic> and distinguishability <jats:italic>D</jats:italic>, <jats:inline-formula>                     <jats:tex-math><?CDATA ${C}^{2}+{D}^{2}\le 1$?></jats:tex-math>                     <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">                        <mml:msup>                           <mml:mrow>                              <mml:mi>C</mml:mi>                           </mml:mrow>                           <mml:mrow>                              <mml:mn>2</mml:mn>                           </mml:mrow>                        </mml:msup>                        <mml:mo>+</mml:mo>                        <mml:msup>                           <mml:mrow>                              <mml:mi>D</mml:mi>                           </mml:mrow>                           <mml:mrow>                              <mml:mn>2</mml:mn>                           </mml:mrow>                        </mml:msup>                        <mml:mo>≤</mml:mo>                        <mml:mn>1</mml:mn>                     </mml:math>                     <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="cpb_29_5_050307_ieqn1.gif" xlink:type="simple" />                  </jats:inline-formula>, has long been recognized as the only representative of the duality relation. However, recent researches have shown that this inequality is not good enough because it is not tight for multipath interferometers. Meanwhile, a tight bound for the multip
AU  - Ke,Z-J
AU  - Meng,Y
AU  - Wang,Y-T
AU  - Yu,S
AU  - Liu,W
AU  - Li,Z-P
AU  - Wang,H
AU  - Li,Q
AU  - Xu,J-S
AU  - Tang,J-S
AU  - Li,C-F
AU  - Guang-Can,G
DO  - 1674-1056/ab7ea2
EP  - 050307
PY  - 2020///
SN  - 1674-1056
SP  - 050307
TI  - Experimental demonstration of tight duality relation in three-path interferometer
T2  - Chinese Physics B
UR  - http://dx.doi.org/10.1088/1674-1056/ab7ea2
VL  - 29
ER  - 

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