Covariant Holographic Renormalization of Non-Conformal Field Theories
An introduction to a new procedure
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This book introduces a Covariant Holographic Renormalization procedure of fake supergravity systems. Holography is a strong/weak coupling duality between gravitational and gauge theories, and fake supergravity is a theory of gravity coupled to scalars in which the scalar potential can be derived from a superpotential in some specific way. Other systematic methods of holographic renormalization of fake supergravity exist, but they are all restricted to spacetimes that are asymptotically anti-de Sitter (aAdS). According to the AdS/CFT correspondence, their dual quantum field theories are conform...
This book introduces a Covariant Holographic Renormalization procedure of fake supergravity systems. Holography is a strong/weak coupling duality between gravitational and gauge theories, and fake supergravity is a theory of gravity coupled to scalars in which the scalar potential can be derived from a superpotential in some specific way. Other systematic methods of holographic renormalization of fake supergravity exist, but they are all restricted to spacetimes that are asymptotically anti-de Sitter (aAdS). According to the AdS/CFT correspondence, their dual quantum field theories are conformal in the ultraviolet. Covariant Holographic Renormalization can be applied to fake supergravity systems in both aAdS and non-aAdS backgrounds. The field theories dual to non-aAdS supergravity systems are non-conformal. So far, the Covariant Holographic Renormalization procedure is limited to the renormalization of two-point functions, but shows that the divergences from the bare fake supergravity action can be cancelled by covariant counterterms without introducing new divergences.
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