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| Main Author: | |
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| Format: | Preprint |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2312.11347 |
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| _version_ | 1866908567460642816 |
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| author | Leeb-Lundberg, Emil Hakan |
| author_facet | Leeb-Lundberg, Emil Hakan |
| contents | We apply localization techniques to $A$-twisted $\mathcal{N}=(2,2)$ theories of vector multiplets on $S^{2}$. We derive formulae for $A$-model partition functions and correlators as integrals along a real contour, as opposed to a complex one. Using the correlator formula, we successfully recover the unstable instanton partition function of pure two-dimensional Yang-Mills theory from the vacuum expectation value of an $A$-model operator. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_11347 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Unstable Instantons in A-model Localization Leeb-Lundberg, Emil Hakan High Energy Physics - Theory We apply localization techniques to $A$-twisted $\mathcal{N}=(2,2)$ theories of vector multiplets on $S^{2}$. We derive formulae for $A$-model partition functions and correlators as integrals along a real contour, as opposed to a complex one. Using the correlator formula, we successfully recover the unstable instanton partition function of pure two-dimensional Yang-Mills theory from the vacuum expectation value of an $A$-model operator. |
| title | Unstable Instantons in A-model Localization |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2312.11347 |