# The model-independent degeneracy-breaking point in cosmological models with interacting Dark Energy and Dark Matter

## TL;DR

This paper identifies a model-independent point in interacting dark energy and dark matter models where the interaction can be uniquely probed without degeneracy, specifically when a component of the interaction term equals zero.

## Contribution

It introduces a degeneracy-breaking point in cosmological models with dark sector interactions, allowing for clearer observational constraints.

## Key findings

- Degeneracy-breaking point occurs when a component of the interaction term is zero.
- Interaction can be probed independently of dark energy EoS at this point.
- Provides a new method to distinguish interaction effects in cosmology.

## Abstract

We study cosmological models with interaction between dark energy (DE) and dark matter (DM). For the interaction term $Q$ in cosmic evolution equations, there is a model-independent degeneracy-breaking (D-B) point when $Q_{1}$ (a part of $Q$) equals to zero, where the interaction can be probed without degeneracy between the constant DE equation of state (EoS).