Professor PAUL SAFFIN's Outputs (2)

Q-Ball Superradiance (2023)
Journal Article
Saffin, P. M., Xie, Q.-X., & Zhou, S.-Y. (2023). Q-Ball Superradiance. Physical Review Letters, 131(11), Article 111601. https://doi.org/10.1103/physrevlett.131.111601

Q-balls are nontopological solitons that coherently rotate in field space. We show that these coherent rotations can induce superradiance for scattering waves, thanks to the fact that the scattering involves two coupled modes. Despite the conservatio... Read More about Q-Ball Superradiance.

Clockwork cosmology (2023)
Journal Article
Wood, K., Saffin, P. M., & Avgoustidis, A. (2023). Clockwork cosmology. Journal of Cosmology and Astroparticle Physics, 2023(07), Article 062. https://doi.org/10.1088/1475-7516/2023/07/062

The higher order generalisation of the clockwork mechanism to gravitational interactions provides a means to generate an exponentially suppressed coupling to matter from a fundamental theory of multiple interacting gravitons, without introducing larg... Read More about Clockwork cosmology.