Analysis illustrates algebra structure in open N=2 superstring field theory, highlighting a novel approach to the S-matrix.
A bstract We formulate a string field theory for open N=2 strings with an A ∞ algebra structure. Starting from the BRST cohomology relative to the U(1) anti-ghost zero-mode, we generalize [arXiv:1312.2948] and constructed all interacting vertices recursively and without singularity. We also show that our string field theory reproduces the correct perturbative S-matrix.
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Xianghang Zhang (2025) studied this question.
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