Primordial black hole from the running curvaton*

In light of our previous work \cite{Liu:2019xhn}, we investigate the possibility formation a primordial black hole in second inflationary process induced by oscillation curvaton. By adopting instability Mathieu equation, one could utilize $\delta$ function to fully describe power spectrum. Due running curvaton mass, can simulate value abundance holes nearly covering all mass ranges, which have given three special cases. One case account for dark matter some sense since is about $75\%$. At late times, relic exponential potential be approximated constant order cosmological dubbed as role energy. Thus, model unify energy and from perspective phenomenology. Finally, it sheds new on exploring Higgs physics.