Dipolar dark matter theory based on a non-Abelian Yang-Mills field

TL;DR

This paper introduces a fundamental Yang-Mills gauge field-based theory for dipolar dark matter that naturally reproduces MOND phenomenology at galactic scales without ad hoc functions.

Contribution

It proposes a new Yang-Mills based model for dipolar dark matter that inherently reproduces MOND behavior in low-acceleration regimes.

Findings

Recovers deep MOND regime without arbitrary functions

Links MOND phenomenology to a new particle physics sector

Provides a fundamental gauge field framework for dark matter

Abstract

Most theories that attempt to reproduce the Modified Newtonian Dynamics (MOND) phenomenology for dark matter at galactic scales rely on ad hoc free functions, preventing them from being regarded as fundamental. In this work, we present a new theory that reproduces MOND, built on a supposed to be fundamental Yang-Mills gauge field based on SU(2), with a gravitational coupling constant, and emerging in a low-acceleration regime, below the MOND acceleration scale. The gauge field plays the role of the internal force in the dipolar dark matter (DDM) model. We discuss how certain solutions of this theory recover the deep MOND regime without introducing arbitrary functions in the action. Within this framework, the MOND phenomenology appears to be due to the existence of a new sector of particle physics.