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Search: authors:"Hiroaki Matsunaga"

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A ∞ /L ∞ structure and alternative action for WZW-like superstring field theory

We propose new gauge invariant actions for open NS, heterotic NS, and closed NS-NS superstring field theories. They are based on the large Hilbert space, and have Wess-Zumino-Witten-like expressions which are the \( {\mathrm{\mathbb{Z}}}_2 \)-reversed versions of the conventional WZW-like actions. On the basis of the procedure proposed in arXiv:​1505.​01659, we show that our new ...

Comments on complete actions for open superstring field theory

We clarify a Wess-Zumino-Witten-like structure including Ramond fields and propose one systematic way to construct gauge invariant actions: Wess-Zumino-Witten-like complete action S WZW. We show that Kunitomo-Okawa’s action proposed in arXiv:​1508.​00366 can obtain a topological parameter dependence of Ramond fields and belongs to our WZW-like framework. In this framework, once a ...