Mixed-state entanglement in the light of pure-state entanglement constrained by superselection rules

          @misc{ scivideos_PIRSA:04070010,
            doi = {10.48660/04070010},
            url = {https://pirsa.org/04070010},
            author = {Bartlett, Stephen},
            keywords = {},
            language = {en},
            title = {Mixed-state entanglement in the light of pure-state entanglement constrained by superselection rules},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2004},
            month = {jul},
            note = {PIRSA:04070010 see, \url{https://scivideos.org/index.php/pirsa/04070010}}
          }