PSI 2017/2018 - Condensed Matter - Lecture 6

          @misc{ pirsa_PIRSA:17110031,
            doi = {},
            url = {https://pirsa.org/17110031},
            author = {Tiwari, Rakesh},
            keywords = {Condensed Matter},
            language = {en},
            title = {PSI 2017/2018 - Condensed Matter - Lecture 6},
            publisher = {Perimeter Institute},
            year = {2017},
            month = {nov},
            note = {PIRSA:17110031 see, \url{https://pirsa.org}}
          }