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hep-ph2026
Metastable cosmic strings are broken at the start
Lorenzo Tranchedone, Ethan Carragher, Edward Hardy +1
We show that metastable cosmic strings break at early times, either via finite-temperature effects or by attaching to pre-existing monopoles during network percolation. The resulti…
hep-ph2025
Stellar cooling limits on KK gravitons and dark dimensions
Edward Hardy, Anton Sokolov, Henry Stubbs
We revisit cooling bounds on light Kaluza-Klein (KK) gravitons, as arise in the dark dimension scenario, considering red giants, neutron stars, and supernovae. In addition to brems…