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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 quantisation. We find that a 4-derivative degree of freedom involves a canonical coordinate with unusual time-in...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2015
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1140/epjc/s10052-016-4079-8 http://cds.cern.ch/record/2111085 |