Superconducting cosmic strings in grand unified models

Details Superconducting cosmic strings in grand unified models Superconducting cosmic strings in grand unified models

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phlb..225..127h&link_type=abstract

Physics Letters B, Volume 225, Issue 1-2, p. 127-132.

Physics

9

Scientific paper

Witten's U(1)×U(1) superconducting string is re-examined under more general assumptions and is shown to carry a component of unbroken U(1) flux. Embedding the model in a theory with a larger symmetry reveals that generally there are many solutions, obtainable from the original by group transformations, which under certain circumstances lie in a complete representation. Interpolation between different core fields along the string produces monopole-like lumps which do not permit the passage of current. Some cosmological implications are briefly discussed.

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