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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2601.16452 |
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| _version_ | 1866913096342175744 |
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| author | Lang, Julian Tsulaia, Mirian |
| author_facet | Lang, Julian Tsulaia, Mirian |
| contents | We develop a systematic approach to the computation of gauge invariant quartic interactions between reducible massive and massless higher spin fields. Extending the BRST formulation of existing cubic results, we obtain a single constraint for each off-shell quartic vertex that ensures both the gauge invariance of the Lagrangian and associativity of the gauge transformations at quartic order. A solution to these equations is presented. The general equation is then reduced to an on-shell version to reduce complexity. We find example solutions for the off-shell and on-shell quartic vertices in low spin examples relevant to the problem of black hole scattering. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_16452 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | BRST methods for constructing quartic actions for spinning black holes Lang, Julian Tsulaia, Mirian High Energy Physics - Theory We develop a systematic approach to the computation of gauge invariant quartic interactions between reducible massive and massless higher spin fields. Extending the BRST formulation of existing cubic results, we obtain a single constraint for each off-shell quartic vertex that ensures both the gauge invariance of the Lagrangian and associativity of the gauge transformations at quartic order. A solution to these equations is presented. The general equation is then reduced to an on-shell version to reduce complexity. We find example solutions for the off-shell and on-shell quartic vertices in low spin examples relevant to the problem of black hole scattering. |
| title | BRST methods for constructing quartic actions for spinning black holes |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2601.16452 |