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Type I background fields in terms of type IIB ones. (English) Zbl 1328.81184
Summary: We choose such boundary conditions for open IIB superstring theory which preserve \(N=1\) SUSY. The explicit solution of the boundary conditions yields an effective theory which is symmetric under the world-sheet parity transformation \(\Omega:\sigma\to-\sigma\). We recognize the effective theory as closed type I superstring theory. Its background fields, besides the known \(\Omega\)-even fields of the initial IIB theory, contain improvements quadratic in the \(\Omega\)-odd ones.

MSC:
81T30 String and superstring theories; other extended objects (e.g., branes) in quantum field theory
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