Superrenormalizable quantum gravity with complex ghosts

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DOI Доступ к ресурсу на сайте издателя			10.1016/j.physletb.2016.02.021

Title: Superrenormalizable quantum gravity with complex ghosts
Creator: Modesto, Leonardo
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Shapiro, Ilya L.
Date: 2016
DOI: 10.1016/j.physletb.2016.02.021
Description: We suggest and briefly review a new sort of superrenormalizable models of higher derivative quantum gravity. The higher derivative terms in the action can be introduced in such a way that all the unphysical massive states have complex poles. According to the literature on Lee–Wick quantization, in this case the theory can be formulated as unitary, since all massive ghosts-like degrees of freedom are unstable.

Created: 26-05-2017

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Физический факультет Superrenormalizable quantum gravity with complex ghosts