Unraveling the generalized Bergshoeff-de Roo identification
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866912168551645184 |
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| author | Gitsis, Achilleas Hassler, Falk |
| author_facet | Gitsis, Achilleas Hassler, Falk |
| contents | We revisit duality-covariant higher-derivative corrections which arise from the generalized Bergshoeff-de Roo (gBdR) identification, a prescription that gives rise to a two parameter family of $α'$-corrections to the low-energy effective action of the bosonic and the heterotic string. Although it is able to reproduce all corrections at the leading and sub-leading ($α'^2$) order purely from symmetry considerations, a geometric interpretation, like for the two-derivative action and its gauge transformation is lacking. To address this issue and to pave the way for the future exploration of higher-derivative (=higher-loop for the $β$-functions of the underlying $σ$-model) corrections to generalized dualities, consistent truncations and integrable $σ$-models, we recover the gBdR identification's results from the \PS{} construction that provides a natural notion of torsion and curvature in generalized geometry. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2412_17900 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Unraveling the generalized Bergshoeff-de Roo identification Gitsis, Achilleas Hassler, Falk High Energy Physics - Theory We revisit duality-covariant higher-derivative corrections which arise from the generalized Bergshoeff-de Roo (gBdR) identification, a prescription that gives rise to a two parameter family of $α'$-corrections to the low-energy effective action of the bosonic and the heterotic string. Although it is able to reproduce all corrections at the leading and sub-leading ($α'^2$) order purely from symmetry considerations, a geometric interpretation, like for the two-derivative action and its gauge transformation is lacking. To address this issue and to pave the way for the future exploration of higher-derivative (=higher-loop for the $β$-functions of the underlying $σ$-model) corrections to generalized dualities, consistent truncations and integrable $σ$-models, we recover the gBdR identification's results from the \PS{} construction that provides a natural notion of torsion and curvature in generalized geometry. |
| title | Unraveling the generalized Bergshoeff-de Roo identification |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2412.17900 |