Cosmological Consistency Relations as Ward Identities

          @misc{ scivideos_PIRSA:13070016,
            doi = {10.48660/13070016},
            url = {https://pirsa.org/13070016},
            author = {},
            keywords = {},
            language = {en},
            title = {Cosmological Consistency Relations as Ward Identities},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2013},
            month = {jul},
            note = {PIRSA:13070016 see, \url{https://scivideos.org/index.php/pirsa/13070016}}
          }