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arxiv: 1501.07685 · v2 · submitted 2015-01-30 · 🌀 gr-qc

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Cosmological implications of Bumblebee vector models

Diogo Capelo , Jorge P\'aramos
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classification 🌀 gr-qc
keywords breakingbumblebeecosmologicalspontaneoussymmetryuniversevectorattempt
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The Bumblebee Model of spontaneous Lorentz symmetry breaking is explored in a cosmological context, considering a single non-zero time component for the vector field. The relevant dynamic equations for the evolution of the Universe are derived and its properties and physical significance studied. We conclude that a late-time de Sitter expansion of the Universe can be replicated, and attempt to constrain the parameter of the potential driving the spontaneous symmetry breaking.

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Cited by 1 Pith paper

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

  1. Complex bumblebee model

    hep-th 2026-03 accept novelty 6.0

    A complex bumblebee model is formulated with gauge and longitudinal couplings; one-loop RG functions are derived and the leading-log effective potential indicates possible dynamical Lorentz violation.