2 papers
hep-ph2026
Kinetic backreaction cannot suppress axion quantum pressure
Kaleb Anderson, Savvas M. Koushiappas
Ultralight axions from string compactifications carry non-canonical kinetic terms whose normalization is set by a coupling function that depends on an accompanying modulus field. A…
hep-ph2025
Blue Loops, Cepheids, and Forays into Axions
Kaleb Anderson, Thomas C. Gehrman, Pearl Sandick +3
The blue loop stage of intermediate mass stars has been called a "magnifying glass", where even seemingly small effects in prior stages of evolution, as well as assumptions about s…