A connection between gravitational scalar-tensor theories and generalized hybrid theories
We establish a correspondence between higher-derivative gravitational scalar-tensor theories of the form Ψ(R,(∇R)2,□R) and generalized hybrid metric-Palatini models f(R,R). Restricting to the physically relevant case of linear dependence on □R, we make explicit that both frameworks can be reformulat...
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| Principais autores: | , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Elsevier
2026-06-01
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| Serier: | Physics Letters B |
| Fag: | |
| Online adgang: | http://www.sciencedirect.com/science/article/pii/S0370269326003151 |
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