Abstract
We regulate Witten’s open superstring field theory by replacing the picturechanging insertion at the midpoint with a contour integral of picture changing insertions over the half-string overlaps of the cubic vertex. The resulting product between string fields is non-associative, but we provide a solution to the A ∞ relations defining all higher vertices. The result is an explicit covariant superstring field theory which by construction satisfies the classical BV master equation.
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ArXiv ePrint: 1312.2948
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Erler, T., Konopka, S. & Sachs, I. Resolving Witten’s superstring field theory. J. High Energ. Phys. 2014, 150 (2014). https://doi.org/10.1007/JHEP04(2014)150
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DOI: https://doi.org/10.1007/JHEP04(2014)150