N=2 Heterotic Strings Revisited
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866916412325363712 |
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| author | Giveon, Amit Hashimoto, Akikazu Kutasov, David |
| author_facet | Giveon, Amit Hashimoto, Akikazu Kutasov, David |
| contents | We show that $1+1$ dimensional vacua of the $(0,2)$ heterotic string have many properties in common with more recently studied physical systems. The free theory exhibits a symmetric product CFT structure. The single-string Hilbert space splits into sectors labeled by the string winding, $w$, that contain purely left-moving (for $w>0$) and right-moving (for $w<0$) excitations. These sectors exhibit infinite-dimensional left and right-moving symmetry algebras, respectively, with central extensions that depend on $w$. String interactions between left and right-movers appear to lead to a $T\bar T$ deformation of the free theory. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_18183 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | N=2 Heterotic Strings Revisited Giveon, Amit Hashimoto, Akikazu Kutasov, David High Energy Physics - Theory We show that $1+1$ dimensional vacua of the $(0,2)$ heterotic string have many properties in common with more recently studied physical systems. The free theory exhibits a symmetric product CFT structure. The single-string Hilbert space splits into sectors labeled by the string winding, $w$, that contain purely left-moving (for $w>0$) and right-moving (for $w<0$) excitations. These sectors exhibit infinite-dimensional left and right-moving symmetry algebras, respectively, with central extensions that depend on $w$. String interactions between left and right-movers appear to lead to a $T\bar T$ deformation of the free theory. |
| title | N=2 Heterotic Strings Revisited |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2409.18183 |