Media type: E-Article Title: Optimal nonlocal conversion of photonic four-partite entanglement from two Bell pairs in quantum networks Contributor: Takeuchi, Yuki; Imoto, Nobuyuki; Tashima, Toshiyuki Published: American Physical Society (APS), 2018 Published in: Physical Review A, 97 (2018) 4 Language: English DOI: 10.1103/physreva.97.042341 ISSN: 2469-9926; 2469-9934 Origination: Footnote: