Tachyons described by infinitely degenereate massless-fields and dark matters in the universe

TL;DR

This paper presents a novel description of tachyons as infinitely degenerate massless fields, linking their properties to dark energy and universe expansion without violating causality.

Contribution

It introduces a new framework for tachyons using massless field degeneracy and connects their effects to cosmological phenomena like dark energy.

Findings

Tachyons can be described by infinitely degenerate massless fields.

Tachyon interactions with matter can be represented by a phase factor.

The accelerated universe expansion is interpreted through this phase factor.

Abstract

A tachyon field having a negative squared-mass $-m_t^2$ can be described in terms of massless fields degenerating infinitely with respect to helicities. This picture for tachyons does not contradict causality. It is seen that the tachyon vector field can be quenched from the interactions with matter fields, and the effects can be represented by a phase factor. The accelerated expansion of the universe and the dark energies are interpreted in terms of the phase factor.