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<p>We formulate a string field theory for open <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(\mathcal{N}=2\)</EquationSource> </InlineEquation> strings with an <i>A</i><sub><i>∞</i></sub> 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.</p>

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A∞ action of open \(\mathcal{N}=2\) superstring field theory

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  • 发表日期：

    2025年11月21日

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  • Xianghang Zhang

摘要

We formulate a string field theory for open \(\mathcal{N}=2\) 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.