Nonexistence of Baryon Number for Static Black Holes

Details Nonexistence of Baryon Number for Static Black Holes Nonexistence of Baryon Number for Static Black Holes

Mar 1972

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1972phrvd...5.1239b&link_type=abstract

Physical Review D, vol. 5, Issue 6, pp. 1239-1246

Physics

202

Scientific paper

Wheeler has conjectured that black holes should have no well-defined baryon number, and that as a result the law of conservation of baryons should be transcended in black-hole physics. We show here that a static black hole cannot have any exterior classical scalar or massive vector fields. We consider the modifications that would arise from a quantum-theoretical treatment, and we conclude that such a black hole cannot interact with the exterior world via virtual mesons such as the π and ρ. Because of this we find no way for external measurements to assign unambiguously a baryon number to such a black hole in agreement with Wheeler's prediction.

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