More Effective RS Field Theory
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866914171121041408 |
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| author | Lüst, Severin Nee, Michael Randall, Lisa |
| author_facet | Lüst, Severin Nee, Michael Randall, Lisa |
| contents | In this paper we derive the effective theory for a stabilized five-dimensional warped geometry, addressing several outstanding issues in this derivation. These include allowing for a non-zero 4d cosmological constant, accounting for constraints from both the UV and IR branes, and determining how the stabilized theory responds to an energy perturbation on each brane. We show how a consistent low-energy effective theory from a stable warped solution must respect a constraint that follows from the higher-dimensional Einstein equation. Satisfying the constraint requires that the 4d cosmological constant must be the same everywhere throughout the bulk, which means the stabilizing fields must adjust to allow for the same 4d curvature everywhere in the extra dimension. We show explicitly how this works in a 5d model, and how the correct 4d effective potential reproduces this behavior. We find that the cosmological constant generated from adding energy to one of the branes is unaffected by the details of the stabilization mechanism at leading order, despite the need for the stabilizing fields to adjust. In anticipation of a companion paper, we also briefly discuss how supersymmetry can be realized consistently in the 5d theory. In particular, we show how the stabilization mechanism remains consistent with sequestering, even as the supersymmetry-breaking energy is reflected in the stabilizing field throughout the bulk. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_11771 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | More Effective RS Field Theory Lüst, Severin Nee, Michael Randall, Lisa High Energy Physics - Phenomenology High Energy Physics - Theory In this paper we derive the effective theory for a stabilized five-dimensional warped geometry, addressing several outstanding issues in this derivation. These include allowing for a non-zero 4d cosmological constant, accounting for constraints from both the UV and IR branes, and determining how the stabilized theory responds to an energy perturbation on each brane. We show how a consistent low-energy effective theory from a stable warped solution must respect a constraint that follows from the higher-dimensional Einstein equation. Satisfying the constraint requires that the 4d cosmological constant must be the same everywhere throughout the bulk, which means the stabilizing fields must adjust to allow for the same 4d curvature everywhere in the extra dimension. We show explicitly how this works in a 5d model, and how the correct 4d effective potential reproduces this behavior. We find that the cosmological constant generated from adding energy to one of the branes is unaffected by the details of the stabilization mechanism at leading order, despite the need for the stabilizing fields to adjust. In anticipation of a companion paper, we also briefly discuss how supersymmetry can be realized consistently in the 5d theory. In particular, we show how the stabilization mechanism remains consistent with sequestering, even as the supersymmetry-breaking energy is reflected in the stabilizing field throughout the bulk. |
| title | More Effective RS Field Theory |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2510.11771 |