Superstring Field Theory in the Democratic Picture

          @misc{ scivideos_PIRSA:09080046,
            doi = {10.48660/09080046},
            url = {https://pirsa.org/09080046},
            author = {Kroyter, Michael},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {Superstring Field Theory in the Democratic Picture},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2009},
            month = {aug},
            note = {PIRSA:09080046 see, \url{https://scivideos.org/pirsa/09080046}}
          }
          

Abstract

I review the status of (open covariant) cubic superstring field theories, their successes and their problems. I then propose a new superstring field theory, which avoids previous problems. The picture number is not restricted in this theory and the NS and Ramond sectors are naturally unified. Constructing the BV master action is straightforwards and leads to a theory which is defined in the whole Hilbert space, i.e., including all ghost and picture numbers and all the relevant sectors. When (partially) gauge fixed and restricted to the NS sector, this new theory reduces to the old one. Hence, all the good known properties of the old one are shared by the new theory.