Evolution and fate of perturbed Bartnik-McKinnon spacetime

Details Evolution and fate of perturbed Bartnik-McKinnon spacetime Evolution and fate of perturbed Bartnik-McKinnon spacetime

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996phlb..381...49d&link_type=abstract

Physics Letters B, v. 381, p. 49-55.

Physics

1

Scientific paper

The evolution and the fate of a bubble-perturbed Bartnik-McKinnon (BK) spacetime are investigated. The infinitesimal neighborhood of the origin in a BK spacetime is shown to be equivalent to a part of a Yang-Mills cosmology (YMC) spacetime. If an arbitrarily chosen small region near the origin in the BK spacetime is replaced by a YMC bubble with the same curvature, the YMC-BK system describes a small perturbed BK spacetime. The bubble can expand as a part of the YMC spacetime in the BK spacetime. There is a thin shell between the YMC bubble and the BK spacetime whose trajectory is non-spacelike. The instability of the BK spacetime is described by the evolution of the bubble.

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