What question did this study set out to answer?

This work aims to explore the nature of baryon asymmetry within Absolute Frame Theory, proposing a structural rather than dynamic origin.

July 12, 2026Open Access

Baryon Asymmetry as Embedding Segregation in the Absolute Frame Theory: Matter Dominance and the Arrow of Time as a Single Topological Boundary Condition

Puntos clave

This work aims to explore the nature of baryon asymmetry within Absolute Frame Theory, proposing a structural rather than dynamic origin.
Proposes a model where the observable manifold is embedded in a higher-dimensional substratum.
Introduces a topological description regarding charge asymmetry linked to embedding orientation.
Analyses how the axiom of informational irreversibility influences baryon number and arrow of time.
Charge asymmetry arises from the embedding's normal complex structure, not from thermodynamics.
Shows that a non-zero baryon asymmetry requires a nontrivial topological embedding, linked to the low-entropy past hypothesis.
Identifies that potential baryon-to-photon ratios depend on post-inflationary processes.

Resumen

Version of July 10th, 2026, following the technical development in the Absolute Frame Theory programme. We propose, within the Absolute Frame Theory (AFT), that the observed matter–antimatter asymmetry is not generated dynamically but segregated structurally. The four-dimensional observable manifold M is continuously embedded in an N-dimensional Euclidean substratum A; the directions transverse to the embedding form an inaccessible fiber F. We show that a thermodynamic arrow alone cannot source a baryon asymmetry, because baryon number is even under time reversal; the required charge asymmetry is supplied instead by the orientation of the embedding's normal complex structure, which the fourth axiom (informational irreversibility) selects together with the arrow of time. In this reading the global state is charge symmetric with vanishing total baryon number—matter in M balanced by antimatter in the fiber F, a configuration structurally analogous to the CPT–symmetric universe; CPT is thereby respected, and the construction bypasses, rather than realizes, the Sakharov conditions. The sign of the net baryon asymmetry accessible in M is fixed by a topological datum—the instanton number ν of the emergent normal-bundle connection, oriented by the fourth axiom; since ν counts the sphaleron-washed B+L, the surviving asymmetry resides in B−L, whose sign is fixed by the axiom-selected orientation (the C-odd choice J→−J), not its magnitude. This quantity vanishes for a homogeneous background, and a nonzero asymmetry therefore requires a topologically nontrivial embedding at the onset, giving a topological characterization of the low-entropy "past hypothesis". The magnitude of the baryon-to-photon ratio is left as an open quantity: the onset density is diluted by the subsequent inflation, whence the magnitude is set by post-inflationary leptogenesis, while the boundary orientation fixes the sign.

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