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High Energy Physics - Theory

arXiv:1911.13166 (hep-th)
[Submitted on 29 Nov 2019]

Title:Composite Gravitons from Metric-Independent Quantum Field Theories

Authors:Christopher D. Carone
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Abstract:We review some recent work by Carone, Erlich and Vaman on composite gravitons in metric-independent quantum field theories, with the aim of clarifying a number of basic issues. Focusing on a theory of scalar fields presented previously in the literature, we clarify the meaning of the tunings required to obtain a massless graviton. We argue that this formulation can be interpreted as the massless limit of a theory of massive composite gravitons in which the graviton mass term is not of Pauli-Fierz form. We then suggest closely related theories that can be defined without such a limiting procedure (and hence without worry about possible ghosts). Finally, we comment on the importance of finding a compelling ultraviolet completion for models of this type, and discuss some possibilities.
Comments: 17 pages LaTeX, 4 figures. Invited Brief Review for Modern Physics Letters A
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc)
Cite as: arXiv:1911.13166 [hep-th]
  (or arXiv:1911.13166v1 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.1911.13166
Related DOI: https://doi.org/10.1142/S0217732320300025

Submission history

From: Christopher D. Carone [view email]
[v1] Fri, 29 Nov 2019 16:00:47 UTC (69 KB)
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