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Gravitational effective action at second order in curvature and gravitational waves
We consider the full effective theory for quantum gravity at second order in curvature including non-local terms. We show that the theory contains two new degrees of freedom beyond the massless graviton: namely a massive spin-2 ghost and a massive scalar field. Furthermore, we show that it is imposs...
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| Publicado no: | Eur Phys J C Part Fields |
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| Main Authors: | , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Springer Berlin Heidelberg
2017
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5589814/ https://ncbi.nlm.nih.gov/pubmed/28943802 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1140/epjc/s10052-017-5172-3 |
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