Bardeen-Horowitz Conformal Symmetry in the Sky

          @misc{ pirsa_PIRSA:15050133,
            doi = {10.48660/15050133},
            url = {https://pirsa.org/15050133},
            author = {Strominger, Andrew},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {Bardeen-Horowitz Conformal Symmetry in the Sky},
            publisher = {Perimeter Institute},
            year = {2015},
            month = {may},
            note = {PIRSA:15050133 see, \url{https://pirsa.org}}
          }