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Phys. Rev. D 68, 024017 (2003) [12 pages]

Critical behavior of gravitating sphalerons

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R. Steven Millward* and Eric W. Hirschmann
Department of Physics and Astronomy, Brigham Young University, Provo, Utah 84604, USA

Received 19 December 2002; published 10 July 2003

We examine the gravitational collapse of sphaleron type configurations in the Einstein-Yang-Mills-Higgs theory. Working in spherical symmetry, we investigate the critical behavior in this model. We provide evidence that for various initial configurations, there can be three different critical transitions between possible end states with different critical solutions sitting on the threshold between these outcomes. In addition, we show that within the dispersive and black hole regimes there are new possible end states: namely, a stable, regular sphaleron and a stable, hairy black hole.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.68.024017
DOI:
10.1103/PhysRevD.68.024017
PACS:
04.25.Dm

*Electronic address: rsm52@email.byu.edu

Electronic address: ehirsch@kepler.byu.edu