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Quantum mechanics of 4-derivative theories

A renormalizable theory of gravity is obtained if the dimension-less 4-derivative kinetic term of the graviton, which classically suffers from negative unbounded energy, admits a sensible quantization. We find that a 4-derivative degree of freedom involves a canonical coordinate with unusual time-in...

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Publicat a:Eur Phys J C Part Fields
Autors principals: Salvio, Alberto, Strumia, Alessandro
Format: Artigo
Idioma:Inglês
Publicat: Springer Berlin Heidelberg 2016
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Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC5320946/
https://ncbi.nlm.nih.gov/pubmed/28280424
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1140/epjc/s10052-016-4079-8
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