https://doi.org/10.1140/epjc/s10052-025-14195-w
Regular Article - Theoretical Physics
Constraints on bulk fields: no-go conjectures for braneworld models
1
Departamento de Física, Universidade Federal do Ceará, 60451-970, Fortaleza, Ceará, Brazil
2
Ivane Javakhishvili Tbilisi State University, 3 Chavchavadze Avenue, 0179, Tbilisi, Georgia
Received:
10
December
2024
Accepted:
11
April
2025
Published online:
5
May
2025
This work establishes a series of no-go conjectures that impose rigorous constraints on the zero mode localization of bulk fields in braneworld scenarios, specifically affecting gauge and spinor fields within five-dimensional spacetimes. Our approach differs from traditional methods as it does not rely on specific equations of motion, making our results broadly applicable across various braneworld models. These no-go conditions reveal fundamental limitations in field localization, challenging the feasibility of embedding fields on the brane. For instance, our analysis demonstrates that existing models fail to achieve consistent localization for gauge and spinor fields. Additionally, one of our conditions indicates that the effective Lagrangian on the brane cannot exhibit conformal invariance.
© The Author(s) 2025
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