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The Big Bang as a Mirror: a Solution of the Strong CP Problem

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arxiv 2208.10396 v1 pith:BINIFBHQ submitted 2022-08-22 hep-ph astro-ph.COgr-qchep-th

Latham Boyle , Martin Teuscher , Neil Turok This is my paper · ORCID
classification hep-phastro-ph.COgr-qchep-th
keywords mirrorbangboundarylikeproblemsolutionstrongargue
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abstract

We argue that the Big Bang can be understood as a type of mirror. We show how reflecting boundary conditions for spinors and higher spin fields are fixed by local Lorentz and gauge symmetry, and how a temporal mirror (like the Bang) differs from a spatial mirror (like the AdS boundary), providing a possible explanation for the observed pattern of left- and right-handed fermions. By regarding the Standard Model as the limit of a minimal left-right symmetric theory, we obtain a new, cosmological solution of the strong $CP$ problem, without an axion.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. CMB Constraints on Quantized Spatial Curvature $\Omega_K$ in globally CPT-symmetric universes

    astro-ph.CO 2025-09 reject novelty 5.0 of 10

    Matching two wavevector quantization conditions in a closed CPT-symmetric universe predicts discrete spatial curvature values, with Planck data favoring ΩK ≈ -0.039.

  2. Black Mirrors: CPT-Symmetric Alternatives to Black Holes

    hep-th 2024-12 reject novelty 5.0 of 10

    A two-sheeted spacetime glued at the black hole horizon, called the black mirror, is proposed as a singularity-free, CPT-symmetric alternative to black holes.

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