Spontaneous Broken Symmetry 1

          @misc{ pirsa_PIRSA:07110019,
            doi = {},
            url = {https://pirsa.org/07110019},
            author = {Brout, Robert},
            keywords = {},
            language = {en},
            title = {Spontaneous Broken Symmetry 1},
            publisher = {Perimeter Institute},
            year = {2007},
            month = {nov},
            note = {PIRSA:07110019 see, \url{https://pirsa.org}}
          }