2 problems

Let $\Phi=(\phi^1,\dots,\phi^N)$ be fields in a low-energy effective field theory coupled to dynamical $D$-dimensional spacetime, with vacuum state $|\Omega\rangle$. Let…

Consider a one-parameter family of $D$-dimensional Anti-de Sitter metrics $g_{\mu\nu}(\Lambda)$ arising as quantum-gravity low-energy effective theories, labelled by their cosmolog…