Diffeomorphism in Closed String Field Theory
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866908322723004416 |
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| author | Mazel, Ben Wang, Charles Yin, Xi |
| author_facet | Mazel, Ben Wang, Charles Yin, Xi |
| contents | We explain how the spacetime diffeomorphism in the classical bosonic closed string field theory (SFT) is represented as $L_\infty$ gauge transformations in weakly curved backgrounds. In particular, we demonstrate the explicit map between covariant spacetime fields and the string fields in the flat-vertex frame to the leading few orders in perturbation theory. We further consider a Batalin-Vilkovisky system of extended string fields that manifests diffeomorphism invariance and allows for extending certain perturbative SFT solutions to the large field regime. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_12290 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Diffeomorphism in Closed String Field Theory Mazel, Ben Wang, Charles Yin, Xi High Energy Physics - Theory We explain how the spacetime diffeomorphism in the classical bosonic closed string field theory (SFT) is represented as $L_\infty$ gauge transformations in weakly curved backgrounds. In particular, we demonstrate the explicit map between covariant spacetime fields and the string fields in the flat-vertex frame to the leading few orders in perturbation theory. We further consider a Batalin-Vilkovisky system of extended string fields that manifests diffeomorphism invariance and allows for extending certain perturbative SFT solutions to the large field regime. |
| title | Diffeomorphism in Closed String Field Theory |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2504.12290 |