Publikationsdatum:
2017-02-02
Beschreibung:
Author(s): Clifford Cheung and Grant N. Remmen We study the Gauss-Bonnet (GB) term as the leading higher-curvature correction to pure Einstein gravity. Assuming a tree-level ultraviolet completion free of ghosts or tachyons, we prove that the GB term has a nonnegative coefficient in dimensions greater than 4. Our result follows from unitarity of… [Phys. Rev. Lett. 118, 051601] Published Wed Feb 01, 2017
Schlagwort(e):
Elementary Particles and Fields
Print ISSN:
0031-9007
Digitale ISSN:
1079-7114
Thema:
Physik
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