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Phys. Rev. D 64, 107501 (2001) [4 pages]

Mass formula for Einstein-Yang-Mills solitons

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Alejandro Corichi*
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, A. Postal 70-543, México D.F. 04510, Mexico

Ulises Nucamendi
Center for Theoretical Physics, University of Sussex, Brighton BN1 9QJ, Great Britain

Daniel Sudarsky
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, A. Postal 70-543, México D.F. 04510, Mexico

Received 6 July 2001; published 23 October 2001

The isolated horizon formalism, together with a simple phenomenological model for colored black holes was recently used to predict a formula for the ADM mass of the solitons of the EYM system in terms of horizon properties of black holes for all values of the horizon area. In this Brief Report, this formula is tested numerically—up to a large value of the area—for spherically symmetric solutions and shown to yield the known masses of the solitons.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.64.107501
DOI:
10.1103/PhysRevD.64.107501
PACS:
04.70.Bw, 04.20.Jb

*Email address: corichi@nuclecu.unam.mx