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4D Localization in Randall-Sundrum 2 Supergravity and in Vasiliev Theories
Sergio Ferrara, Massimo Porrati
We discuss the problem of localization of 4D massless states in Randall-Sundrum 2 (one-brane) models. A Randall-Sundrum 2 construction starting from N=8 gauged supergravity in 5D A…
Flux Discharge Cascades in Various Dimensions
Matthew Kleban, Karthik Krishnaiyengar, Massimo Porrati
We study the dynamics of electric flux discharge by charged particle pair or spherical string or membrane production in various dimensions. When electric flux wraps at least one co…
Ghosts of Critical Gravity
Massimo Porrati, Matthew M. Roberts
Recently proposed "critical" higher-derivative gravities in are expected to carry logarithmic representation of the Anti de Sitter isometry group. In this note, we qu…
Notes on a Cure for Higher-Spin Acausality
Massimo Porrati, Rakibur Rahman
We present a Lagrangian describing a massive charged spin-2 field and a scalar in a constant electromagnetic background, and we provide a consistent description of the system. The…