To boost or not to boost, that's the question
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914337342357504 |
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| author | Nakayama, Yu |
| author_facet | Nakayama, Yu |
| contents | Or should we talk about dS/CFT correspondence or dS/SFT correspondence in cosmological correlators? In non-unitary field theories -- which are conjectured to be dual to cosmological correlators -- scale invariance does not necessarily imply full conformal invariance. While general relativity predicts the emergence of conformal invariance (or boost symmetry in the bulk), various modified theories of gravity suggest only scale invariance, characterized by the absence of bulk boost symmetry. We demonstrate this distinction using Einstein-Aether theory as a canonical example. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_15275 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | To boost or not to boost, that's the question Nakayama, Yu High Energy Physics - Theory General Relativity and Quantum Cosmology Or should we talk about dS/CFT correspondence or dS/SFT correspondence in cosmological correlators? In non-unitary field theories -- which are conjectured to be dual to cosmological correlators -- scale invariance does not necessarily imply full conformal invariance. While general relativity predicts the emergence of conformal invariance (or boost symmetry in the bulk), various modified theories of gravity suggest only scale invariance, characterized by the absence of bulk boost symmetry. We demonstrate this distinction using Einstein-Aether theory as a canonical example. |
| title | To boost or not to boost, that's the question |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2602.15275 |