Bulk Landau Pole and Unitarity of Dual Conformal Field Theory

Ivo Sachs, Pierre Vanhove

The singlet sector of the $O(N)$ ${\varphi }^4$-model in AdS${}_4$ at large-$N$, gives rise to a dual conformal field theory on the conformal boundary of AdS${}_4$, which is a deformation of th…