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hep-ph2024
Axion strings from string axions
James M. Cline, Christos Litos, Wei Xue
A favored scenario for axions to be dark matter is for them to form a cosmic string network that subsequently decays, allowing for a tight link between the axion mass and relic abu…
hep-ph2024
Stability of Superconducting Strings
Keisuke Harigaya, Xuce Niu, Wei Xue +1
We investigate the stability of superconducting strings as bound states of strings and fermion zero modes at both the classical and quantum levels. The dynamics of these supercondu…
hep-ph2024
Gravitational Production of Heavy Particles during and after Inflation
Davide Racco, Sarunas Verner, Wei Xue
We investigate the gravitational production of a scalar field with a mass exceeding the Hubble scale during inflation , employing both analytical and numerical…