On (de Sitter) Vacua in Heterotic String Theory
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866910807204298752 |
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| author | Righi, Nicole |
| author_facet | Righi, Nicole |
| contents | Heterotic toroidal orbifolds are a powerful framework for testing our understanding of string vacua. We review recent advances in heterotic model building, from constructing new vacua to proving novel de Sitter no-go theorems. We also illustrate a potential loophole that could pave the way for the realisation of de Sitter vacua within heterotic string theories. This involves the introduction of non-perturbative, stringy, dilaton-dependent corrections to the Kähler potential. We discuss how recently found non-BPS heterotic instantons might provide the necessary corrections. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_19015 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On (de Sitter) Vacua in Heterotic String Theory Righi, Nicole High Energy Physics - Theory Heterotic toroidal orbifolds are a powerful framework for testing our understanding of string vacua. We review recent advances in heterotic model building, from constructing new vacua to proving novel de Sitter no-go theorems. We also illustrate a potential loophole that could pave the way for the realisation of de Sitter vacua within heterotic string theories. This involves the introduction of non-perturbative, stringy, dilaton-dependent corrections to the Kähler potential. We discuss how recently found non-BPS heterotic instantons might provide the necessary corrections. |
| title | On (de Sitter) Vacua in Heterotic String Theory |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2501.19015 |