Warped Heterotic Axions

          @misc{ pirsa_PIRSA:08030027,
            doi = {10.48660/08030027},
            url = {https://pirsa.org/08030027},
            author = {Dasgupta, Keshav},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {Warped Heterotic Axions},
            publisher = {Perimeter Institute},
            year = {2008},
            month = {mar},
            note = {PIRSA:08030027 see, \url{https://pirsa.org}}
          }