Asymptotic safety:
GR as QFT non-renormalizable. So might think non-fundamental effective theory.
But Weinberg thinks safety might allow it to be fundamental after all.
Question arises: what is fundamental theory,
Asymptotic safety:
GR as QFT non-renormalizable. So might think non-fundamental effective theory.
But Weinberg thinks safety might allow it to be fundamental after all.
Question arises: what is fundamental theory,