Dark Energy from ferromagnetic condensation of cosmic magninos

TL;DR

This paper proposes that a ferromagnetic condensate of ultra-light fermionic particles, called cosmic magninos, explains Dark Energy through domain walls, and suggests a new electromagnetism possibly related to Dark Matter.

Contribution

It introduces a novel model where cosmic magninos form a ferromagnetic state, linking dark energy and dark matter via non-standard electromagnetism.

Findings

Ferromagnetic condensation of cosmic magninos can account for Dark Energy.

A new non-standard electromagnetism is proposed to explain magnetism in the universe.

Heavier charged species related to magninos could explain Dark Matter.

Abstract

It is proposed that an ultra-light fermionic species, dubbed cosmic magnino has condensed into a ferromagnetic state in the Universe. The extended structure of domain walls associated with this ferromagnetism accounts for the observed Dark Energy. In modification of the situation with an electron gas, it is proposed that the Stoner criterion is satisfied due to magnetic dipolar repulsion. The cosmological requirements then yeild a lower bound on the magnetic moment of the cosmic magnino. The proposed magnetism is supposed to be associated with a new non-standard electromagnetism. If the magnino is also electrically charged under this electromagnetism, the corresponding oppositely charged heavier species would account partially or entirely for the Dark Matter in the Universe.