Relaxation and unitarity in eternal black hole

          @misc{ scivideos_PIRSA:05050023,
            doi = {10.48660/05050023},
            url = {https://pirsa.org/05050023},
            author = {Solodukhin, Sergey},
            keywords = {},
            language = {en},
            title = {Relaxation and unitarity in eternal black hole},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2005},
            month = {may},
            note = {PIRSA:05050023 see, \url{https://scivideos.org/index.php/pirsa/05050023}}
          }