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Stable Cosmic Vortons
KTH, School of Engineering Sciences (SCI), Theoretical Physics. Department of Physics, University of Massachusetts, Amherst, MA 01003, United States.ORCID iD: 0000-0001-5087-3115
2013 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 111, no 17, 171602- p.Article in journal (Refereed) Published
Abstract [en]

We present solutions in the gauged U(1) x U(1) model of Witten describing vortons-spinning flux loops stabilized against contraction by the centrifugal force. Vortons were heuristically described many years ago; however, the corresponding field theory solutions were not obtained and so the stability issue remained open. We construct explicitly a family of stationary vortons characterized by their charge and angular momentum. Most of them are unstable and break in pieces when perturbed. However, thick vortons with a small radius preserve their form in the 3 + 1 nonlinear dynamical evolution. This gives the first ever evidence of stable vortons and impacts several branches of physics where they could potentially exist. These range from cosmology, since vortons could perhaps contribute to dark matter, to QCD and condensed matter physics.

Place, publisher, year, edition, pages
2013. Vol. 111, no 17, 171602- p.
Keyword [en]
Nontopological Solitons, Q-Balls, Superconductivity, Dynamics, Strings, Origin, Vortex, Rings
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-134566DOI: 10.1103/PhysRevLett.111.171602ISI: 000326148500004Scopus ID: 2-s2.0-84886781994OAI: oai:DiVA.org:kth-134566DiVA: diva2:667590
Funder
Swedish Research Council
Note

QC 20131127

Available from: 2013-11-27 Created: 2013-11-25 Last updated: 2017-12-06Bibliographically approved

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