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Graviton propagator, renormalization scale and black-hole like states
journal contribution
posted on 2023-06-09, 08:18 authored by Xavier CalmetXavier Calmet, R Casadio, A Yu Kamenshchik, O V TeryaevWe study the analytic structure of the resummed graviton propagator, inspired by the possible existence of black hole precursors in its spectrum. We find an infinite number of poles with positive mass, but both positive and negative effective width, and studied their asymptotic behaviour in the infinite sheet Riemann surface. We find that the stability of these precursors depend crucially on the value of the normalisation point scale.
Funding
Particle Physics Theory at Royal Holloway and Sussex; G0742; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/J000477/1
History
Publication status
- Published
File Version
- Published version
Journal
Physics Letters BISSN
0370-2693Publisher
ElsevierExternal DOI
Issue
774Page range
332-337Department affiliated with
- Physics and Astronomy Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2017-10-16First Open Access (FOA) Date
2017-10-16First Compliant Deposit (FCD) Date
2017-10-16Usage metrics
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