Holographic Aspects of a Higher Curvature Massive Gravity

Understand

We study the holographic dual of a massive gravity with Gauss-Bonnet and cubic quasi-topological higher curvature terms.

• Firstly, we find the energy-momentum two-point function of the 4-dimensional boundary theory where the massive term breaks the conformal symmetry as expected.
• An $a$-theorem is introduced based on the null energy condition.
• Then we focus on a black brane solution in this background and derive the ratio of shear viscosity to entropy density for the dual theory.