Big hopes were in supersymmetry too, and yet nothing has been found. It’s better to not be too much excited about a physics model until it’s proven at least plausible: there are many interesting completion of the Standard Model that will be nonetheless proven false. In this model, the axion is in the same field with the inflaton, which is something I think has never been done before, so it’s interesting. It’s a good thing that it will be testable, so we’ll see.
Big hopes were in supersymmetry too, and yet nothing has been found. It’s better to not be too much excited about a physics model until it’s proven at least plausible: there are many interesting completion of the Standard Model that will be nonetheless proven false.
In this model, the axion is in the same field with the inflaton, which is something I think has never been done before, so it’s interesting.
It’s a good thing that it will be testable, so we’ll see.