One-loop gravity divergences in D>4 cannot all be removed

TL;DR

This paper demonstrates that one-loop quantum gravity divergences in dimensions higher than four cannot be eliminated, unlike in four dimensions where they can be transformed away.

Contribution

It establishes that in higher even dimensions, one-loop divergences in quantum gravity are unavoidable and cannot be removed through transformations.

Findings

One-loop divergences in D>4 are non-removable.

Divergences in D=4 can be transformed away.

Higher-dimensional divergences are inherently unavoidable.

Abstract

Unlike the one-loop QG divergences in D=4, which can all be transformed away, those in arbitrary higher (even) dimension cannot.