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General Relativity and Quantum Cosmology

arXiv:1805.09810 (gr-qc)
[Submitted on 24 May 2018 (v1), last revised 31 Oct 2018 (this version, v4)]

Title:Brans-Dicke gravity: from Higgs physics to (dynamical) dark energy

Authors:Joan Sola
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Abstract:The Higgs mechanism is one of the central pieces of the Standard Model of electroweak interactions and thanks to it we can generate the masses of the elementary particles. Its fundamental origin is nonetheless unknown. Furthermore, in order to preserve renormalizability we have to break the gauge symmetry spontaneously, what leads to a huge induced cosmological constant incompatible with observations. It turns out that in the context of generalized Brans-Dicke theories of gravity the Higgs potential structure can be motivated from solutions of the field equations which carry harmless cosmological vacuum energy. In addition, the late time cosmic evolution effectively appears like an universe filled with mildly evolving dynamical dark energy mimicking quintessence or phantom dark energy.
Comments: Version accepted for publication in Int. J. of Mod. Phys. D. This essay received an Honorable Mention from the Gravity Research Foundation Awards Essays on Gravitation (2018). Extended presentation, references added, typos corrected
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
Cite as: arXiv:1805.09810 [gr-qc]
  (or arXiv:1805.09810v4 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.1805.09810
Journal reference: Int.J.Mod.Phys. D27 (2018) no.14, 1847029
Related DOI: https://doi.org/10.1142/S0218271818470296

Submission history

From: Joan Sola [view email]
[v1] Thu, 24 May 2018 17:53:34 UTC (9 KB)
[v2] Tue, 29 May 2018 17:16:11 UTC (10 KB)
[v3] Thu, 31 May 2018 17:58:45 UTC (10 KB)
[v4] Wed, 31 Oct 2018 19:14:14 UTC (12 KB)
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