Phantom Energy and the Cosmic Horizon: Rh is still not a horizon!

TL;DR

This paper critiques recent claims about the cosmic horizon in phantom energy models, clarifying that the cosmic horizon does not function as a true horizon and its limiting effect is trivial.

Contribution

It identifies and corrects misconceptions about the cosmic horizon's properties in phantom energy scenarios, emphasizing it is not a true horizon.

Findings

The cosmic horizon does not act as a horizon in phantom energy models.

The limiting effect of the cosmic horizon is a trivial statement.

Previous claims about the cosmic horizon's fundamental role are flawed.

Abstract

There has been a recent spate of papers on the Cosmic Horizon, an apparently fundamental, although unrecognised, property of the universe. The misunderstanding of this horizon, it is claimed, demonstrates that our determination of the cosmological makeup of the universe is incorrect, although several papers have pointed out key flaws in these arguments. Here, we identify additional flaws in the most recent claims of the properties of the Cosmic Horizon in the presence of phantom energy, simply demonstrating that it does not act as a horizon, and that its limiting of our view of the universe is a trivial statement.