1995/01/31 by Stephen G. Naculich, Stephen Naculich · 4 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph #hep-th
paper · pdf · doi:10.1103/physrevlett.75.998
published as Phys.Rev.Lett.75:998-1001,1995 · 11 pages; an additional paragraph describes the destabilization of a finite length string
arxiv created 1995/06/05 · openalex publication_date 1995/08/07 · arxiv updated 2010/11/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01
Z strings in the Weinberg-Salam model including fermions are unstable for all values of the parameters. The cause of this instability is the fermion vacuum energy in the Z-string background. Z strings with nonzero fermion densities, however, may still be stable.