Editing Strong interaction (section)

== Unification ==
The so-called [[Grand Unified Theory|Grand Unified Theories]] (GUT) aim to describe the strong interaction and the electroweak interaction as aspects of a single force, similarly to how the electromagnetic and weak interactions were unified by the Glashow–Weinberg–Salam model into [[electroweak interaction]]. The strong interaction has a property called [[asymptotic freedom]], wherein the strength of the strong force diminishes at higher energies (or temperatures). The theorized energy where its strength becomes equal to the electroweak interaction is the [[grand unification energy]]. However, no Grand Unified Theory has yet been successfully formulated to describe this process, and Grand Unification remains an [[List of unsolved problems in physics|unsolved problem in physics]].

If GUT is correct, after the [[Big Bang]] and during the [[electroweak epoch]] of the universe, the [[electroweak interaction|electroweak force]] separated from the strong force. Accordingly, a [[grand unification epoch]] is hypothesized to have existed prior to this.