D-instantons in Type IIA string theory on Calabi-Yau threefolds
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2021
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| _version_ | 1866912474750517248 |
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| author | Alexandrov, Sergei Sen, Ashoke Stefański jr, Bogdan |
| author_facet | Alexandrov, Sergei Sen, Ashoke Stefański jr, Bogdan |
| contents | Type IIA string theory compactified on a Calabi-Yau threefold has a hypermultiplet moduli space whose metric is known to receive non-perturbative corrections from Euclidean D2-branes wrapped on 3-cycles. These corrections have been computed earlier by making use of mirror symmetry, S-duality and twistorial description of quaternionic geometries. In this paper we compute the leading corrections in each homology class using a direct world-sheet approach without relying on any duality symmetry or supersymmetry. Our results are in perfect agreement with the earlier predictions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2108_04265 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | D-instantons in Type IIA string theory on Calabi-Yau threefolds Alexandrov, Sergei Sen, Ashoke Stefański jr, Bogdan High Energy Physics - Theory Type IIA string theory compactified on a Calabi-Yau threefold has a hypermultiplet moduli space whose metric is known to receive non-perturbative corrections from Euclidean D2-branes wrapped on 3-cycles. These corrections have been computed earlier by making use of mirror symmetry, S-duality and twistorial description of quaternionic geometries. In this paper we compute the leading corrections in each homology class using a direct world-sheet approach without relying on any duality symmetry or supersymmetry. Our results are in perfect agreement with the earlier predictions. |
| title | D-instantons in Type IIA string theory on Calabi-Yau threefolds |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2108.04265 |