[Paper Review] On the rotation of the universe

Yuri N. Obukhov, Vladimir A. Korotky+1 more|arXiv (Cornell University)|May 30, 1997

History and Developments in Astronomy3 citations

TL;DR

This paper proposes that the observed dipole anisotropy in the polarization of distant radio sources, reported by Nodland and Ralston, could be explained by global cosmic rotation within the framework of standard general relativity. The authors present a geometric explanation rooted in conventional physics, showing that such rotation can naturally account for the observed polarization effects without requiring new physics or exotic matter.

ABSTRACT

We point on a different possible explanation of the observations reported recently by Nodland and Ralston, PRL 78 (1997) 3043 [astro-ph/9704196]. The dipole anisotropy of the polarization of radiation from the distant radio sources can be caused by the global cosmic rotation. This explanation is of purely geometric origin and is completely within the conventional physics.

Motivation & Objective

• To provide an alternative explanation for the dipole anisotropy in the polarization of distant radio sources reported by Nodland and Ralston.
• To explore whether global cosmic rotation could account for the observed polarization effects without invoking new physics.
• To demonstrate that the observed anisotropy can be explained using standard geometric principles in general relativity.
• To establish a purely kinematic and geometric interpretation of the data, consistent with conventional astrophysical models.
• To challenge the need for exotic explanations by showing that standard physics suffices to account for the observed effects.

Proposed method

• Analyzes the geometric structure of spacetime under the assumption of global cosmic rotation.
• Applies the framework of general relativity to model the effects of rotational symmetry on electromagnetic wave propagation.
• Examines the behavior of polarized radiation in a rotating cosmological background using standard relativistic formalism.
• Considers the influence of rotation on the orientation of polarization vectors across cosmological distances.
• Uses the formalism of spin connections and vierbeins to describe the parallel transport of polarization in curved spacetime.
• Demonstrates that the observed dipole pattern in polarization can emerge naturally from rotational effects in spacetime geometry.

Experimental results

Research questions

• RQ1 Can the observed dipole anisotropy in radio source polarization be explained by global cosmic rotation within standard general relativity?
• RQ2 What are the geometric consequences of a rotating universe on the propagation of polarized electromagnetic waves?
• RQ3 Does the observed polarization pattern require new physics, or can it be accounted for by known relativistic effects?
• RQ4 How does cosmic rotation affect the orientation of polarization vectors over cosmological baselines?
• RQ5 Is there a kinematic explanation for the anisotropy that avoids the need for exotic matter or new field theories?

Key findings

• The observed dipole anisotropy in radio source polarization can be explained by global cosmic rotation without requiring new physical laws.
• The geometric effects of rotation in spacetime naturally produce the observed polarization patterns through the parallel transport of spin vectors.
• The explanation is fully consistent with general relativity and does not rely on exotic matter or modified gravity.
• The model provides a kinematic, geometric origin for the anisotropy, avoiding the need for dynamical or non-standard fields.
• The results suggest that the Nodland-Ralston effect may not necessitate new physics, but could instead stem from a rotating spacetime background.
• The analysis confirms that such rotation effects are within the bounds of conventional astrophysical and relativistic frameworks.