Graviton propagator, renormalization scale and black-hole like states

Calmet, X, Casadio, R, Kamenshchik, A Yu and Teryaev, O V (2017) Graviton propagator, renormalization scale and black-hole like states. Physics Letters B (774). pp. 332-337. ISSN 0370-2693

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We 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.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QC Physics
Depositing User: Billy Wichaidit
Date Deposited: 16 Oct 2017 09:02
Last Modified: 16 Oct 2017 09:02

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Project NameSussex Project NumberFunderFunder Ref
Particle Physics Theory at Royal Holloway and SussexG0742STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCILST/J000477/1