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High Energy Physics - Theory

arXiv:1510.08864 (hep-th)
[Submitted on 29 Oct 2015 (v1), last revised 22 Feb 2016 (this version, v2)]

Title:Galileons as the Scalar Analogue of General Relativity

Authors:Remko Klein, Mehmet Ozkan, Diederik Roest
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Abstract:We establish a correspondence between general relativity with diffeomorphism invariance and scalar field theories with Galilean invariance: notions such as the Levi-Civita connection and the Riemann tensor have a Galilean counterpart. This suggests Galilean theories as the unique nontrivial alternative to gauge theories (including general relativity). Moreover, it is shown that the requirement of first-order Palatini formalism uniquely determines the Galileon models with second-order field equations, similar to the Lovelock gravity theories. Possible extensions are discussed.
Comments: 6 pages, v2: Version appeared in Phys. Rev. D
Subjects: High Energy Physics - Theory (hep-th); Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)
Cite as: arXiv:1510.08864 [hep-th]
  (or arXiv:1510.08864v2 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.1510.08864
Journal reference: Phys. Rev. D 93, 044053 (2016)
Related DOI: https://doi.org/10.1103/PhysRevD.93.044053

Submission history

From: Mehmet Ozkan [view email]
[v1] Thu, 29 Oct 2015 20:05:35 UTC (11 KB)
[v2] Mon, 22 Feb 2016 20:36:29 UTC (12 KB)
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