Stability of Einstein Yang-Mills black holes

Details Stability of Einstein Yang-Mills black holes Stability of Einstein Yang-Mills black holes

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phlb..259...53b&link_type=abstract

Physics Letters B, Volume 259, Issue 1-2, p. 53-57.

Physics

32

Scientific paper

We examine the problem of stability of Einstein Yang-Mills black holes, studied recently by Straumann and Zhou in the framework of linearized perturbation technique. It is pointed out that the existence of the exponentially growing radial mode, found by Straumann and Zhou, does not necessarily signal behaviour at the horizon. In particular, we show that the lowest-energy coloured black hole is linearly stable against radial perturbations. We show also that the SU(2) Reissner-Nordström solution with mass M and magnetic charge 1/g is dynamically stable if the dimensionless constant G1/2gM is bigger than some critical value.
On leave from Institute of Physics, Jagellonian University, Reymonta 4, PL-30-059 Cracow, Poland.

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