968 citations · 1.4k across the 32 of their papers we have counts for
4 papers · 1 filter
Chaplygin-Kalb-Ramond Quartessence
Neven Bilic, Gary B. Tupper, Raoul D. Viollier
Unified dark matter/energy models (quartessence) based upon the Chaplygin gas D-brane fail owing to the suppression of structure formation by the adiabatic speed of sound. Includin…
Gauges in the Bulk II: Models with Bulk Scalars
Jihn E. Kim, Gary B. Tupper, Raoul D. Viollier
Extending previous work in Randall-Sundrum type models, we construct low-energy effective actions for braneworlds with a bulk scalar field, with special attention to the case of BP…
Transient acceleration from a hybrid Chaplygin gas
Neven Bilic, Gary B. Tupper, Raoul D. Viollier
We extend the Chaplygin gas model for dark matter and dark energy unification by promoting the Chaplygin gas parameter A to the potential for an extra scalar with canonical kinetic…
Born-Infeld Phantom Gravastars
Neven Bilic, Gary B. Tupper, Raoul D. Viollier
We construct new gravitational vacuum star solutions with a Born-Infeld phantom replacing the de Sitter interior. The model allows for a wide range of masses and radii required by…