1303.0178 (M. Quandt et al.)

Quantum Stabilization of a Closed Nielsen-Olesen String    [PDF]

M. Quandt, N. Graham, H. Weigel

We revisit the classical instability of closed strings in the Abelian Higgs model. The instability is expressed by a vanishing energy as the torus-like configuration shrinks to zero size. We treat the radius of the torus as a collective coordinate and demonstrate that a quantum mechanical treatment of this coordinate leads to a stabilization of the closed string at small radii.

View original: http://arxiv.org/abs/1303.0178