Riccardo Rattazzi

In 1998, together with Gian Giudice, Markus Luty and Hitoshi Murayama, Rattazzi discovered the anomaly mediated supersymmetry breaking, a subtle quantum mechanical mechanism which contributes to the gaugino masses in supergravity.^[4]

In 1999, together with Giudice and James Wells, Rattazzi carried out the first detailed study of the collider signatures of the large extra dimension scenarios of TeV-scale gravity.^[5]

In 2001, together with Alberto Zaffaroni, Rattazzi gave the holographic description of the Randall-Sundrum solution of the hierarchy problem, as well as interpreted the Goldberger-Wise mechanism in terms of dimensional transmutation.^[6]

In 2004, together with Barbieri, Alex Pomarol and Alessandro Strumia, Rattazzi laid out a conceptually clear and practically useful framework for the analysis of the combined electroweak precision data of the low- and high-energy phases of the LEP experiments.^[7]

In 2006, together with Allan Adams, Nima Arkani-Hamed, Sergei Dubovsky and Alberto Nicolis, Rattazzi discovered surprising inconsistencies which may be present in the effective Lagrangians in quantum field theory. These inconsistencies cannot be observed in empty space and at low energies, but they become apparent as violations of causality when many field quanta are present, or when one attempts to extend the theory to arbitrarily high energies.^[8]

In 2007, together with Giudice, Christoph Grojean and Pomarol, Rattazzi constructed a low-energy effective Lagrangian which encapsulated general properties of composite Higgs boson models in a way practically useful for the upcoming LHC experiments.^[9]

In 2008, together with Slava Rychkov, Erik Tonni and Alessandro Vichi, Riccardo Rattazzi found the first practical implementation of the conformal bootstrap method in four-dimensional conformal field theories. While this work was motivated by physics beyond the standard model, it also proved influential in other areas of theoretical physics such as string theory and statistical physics.^[10]

In 2009, together with Nicolis and Enrico Trincherini, Rattazzi discovered the galileons, a new class of derivatively coupled scalar field theories invariant under the Galilean transformations. These theories have since proved useful in the theoretical study of the early universe cosmology and of dark energy.^[11]

• Riccardo Rattazzi's papers in the INSPIRE Database