Covariant singularities in quantum field theory and quantum gravity

It is rather well-known that spacetime singularities are not covariant under field redefinitions. A manifestly covariant approach to singularities in classical gravity was proposed in [1]. In this paper, we start to extend this analysis to the quantum realm. We identify two types of covariant singul...

Full description

Bibliographic Details
Main Authors: Roberto Casadio, Alexander Kamenshchik, Iberê Kuntz
Format: Article
Language:English
Published: Elsevier 2021-10-01
Series:Nuclear Physics B
Online Access:http://www.sciencedirect.com/science/article/pii/S0550321321001930