A note on causality constraining higher curvature corrections to gravity

DOI10.1088/0264-9381/24/13/N02zbMATH Open1120.83037arXivhep-th/0612015MaRDI QIDQ3593286

Author name not available (Why is that?)

Publication date: 20 July 2007

Published in: (Search for Journal in Brave)

Abstract: We show that causality constrains the sign of quartic Riemann corrections to the Einstein-Hilbert action. Our constraint constitutes a restriction on candidate theories of quantum gravity.

Full work available at URL: https://arxiv.org/abs/hep-th/0612015

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