3 papers
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-ph2023
Gauged Global Strings
Xuce Niu, Wei Xue, Fengwei Yang
We investigate the string solutions and cosmological implications of the gauge global model. With two hierarchical symmetry-breaking scales…
hep-ph2023
NANOGrav signal from axion inflation
Xuce Niu, Moinul Hossain Rahat
Several pulsar timing arrays including NANOGrav, EPTA, PPTA, and CPTA have recently reported the observation of a stochastic background of gravitational wave spectrum in the nano-H…