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Models of the Universe based on Jordan algebras

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arxiv 2003.13527 v1 pith:VOUG7TNO submitted 2020-03-30 hep-th gr-qc

Models of the Universe based on Jordan algebras

classification hep-th gr-qc
keywords breakingjordansymmetryalgebrasspacetimeuniverseconstants
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose a model for the universe based on Jordan algebras. The action consists of cubic terms with coefficients being the structure constants of a Jordan algebra. Coupling constants only enter the theory via symmetry breaking which also selects a physical vacuum. "Before" the symmetry breaking the universe is in a pre-geometric state where it makes no sense to talk about space or time, but time comes into existence with the symmetry breaking together with a Hamiltonian which can create space from "nothing" and in some cases can propagate the space to macroscopic size in a finite time. There exists symmetry breaking which results in macroscopic spacetime dimensions 3, 4, 6 and 10, based on the Jordan algebras of Hermitian 3x3 matrices with real, complex, quarternion and octonion entries,respectively.

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

  1. The emergence of the universe

    gr-qc 2026-01 reject novelty 5.0

    A Jordan-algebra W3 model knits one-dimensional universes via wormholes into a 4D spacetime; a singular point of its modified Friedmann equation is claimed to explain the hierarchy and the small coupling g.