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hep-th2026
Inflation with a Growing Fifth Dimension
Rashmish K. Mishra, Michael Nee, Lisa Randall
Inflation generally assumes a field with nonzero potential that leads to inflationary expansion happening at arbitrarily early times. We demonstrate potentially observable conseque…
hep-th2026
Testing F-theory GUTs with the Axiverse
Michael Nee, Mario Reig, Timo Weigand
We show that axions coupled to photons in F-theory Grand Unified Theories (GUTs) satisfy the coupling-to-mass relation $g_{aγ}/m_a \leq C\, \frac{α_{\rm em}}{2Ï}\frac{1}{m_Ïf_Ï…
hep-th2025
Sequestered Conformal Anomaly Mediation (SCAM)
Michael Nee, Lisa Randall
Supersymmetric models in singular extra dimensional spaces feature prominently in many interesting phenomenological models, including those derived from string theory. In this pape…