Comments on Fractional Superstrings
Gerald B. Cleaver
Abstract
Using the factorization approach of Gepner and Qiu, I systematically rederive the closed fractional superstring partition functions for K= 4, 8, and 16. For these theories the relationship between the massless graviton and gravi- tino sector and the purely massive sectors is explored. Properties of the massive sectors are investigated. A twist current in these models is found responsible for the occurrence of N=1 space-time supersymmetry. I show this twist current transforms bosonic (fermionic) projection states into fermionic (bosonic) non-projection states and vice-versa.
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