Radial excitations of current-carrying vortices
arXiv:1608.02986 · doi:10.1016/j.physletb.2017.02.015
Abstract
We report on the existence of a new type of cosmic string solutions in the Witten model with U(1)xU(1) symmetry. These solutions are superconducting with radially excited condensates that exist for both gauge and ungauged currents. Our results suggest that these new configurations can be macroscopically stable, but microscopically unstable to radial perturbations. Nevertheless, they might have important consequences for the network evolution and particle emission. We discuss these effects and their possible signatures. We also comment on analogies with non-relativistic condensed matter systems where these solutions may be observable.
v2: 6 pages, 5 figures, discussion on stability and connection to condensed matter systems added, title of paper changed; v3: matched version accepted for publication in Phys. Lett. B
References in corpus (7)
- Semi-Meissner state and neither type-I nor type-II superconductivity in multicomponent systems
- Rotating Boson Stars and Q-Balls
- Cosmic Strings
- Twisted Superconducting Semilocal Strings
- Superconducting non-Abelian vortices in Weinberg-Salam theory -- electroweak thunderbolts
- The logarithmic equation of state for superconducting cosmic strings
- Vortices and magnetic bags in Abelian models with extended scalar sectors and some of their applications