PSI 2016/2017 - Condensed Matter - Lecture 4

          @misc{ pirsa_PIRSA:16110055,
            doi = {},
            url = {https://pirsa.org/16110055},
            author = {Marsiglio, Frank and Dalidovich, Denis},
            keywords = {Condensed Matter},
            language = {en},
            title = {PSI 2016/2017 - Condensed Matter - Lecture 4},
            publisher = {Perimeter Institute},
            year = {2016},
            month = {nov},
            note = {PIRSA:16110055 see, \url{https://pirsa.org}}
          }