Correlations between black holes formed in cosmic string breaking

Abstract

An analysis of cosmic string breaking with the formation of black holes attached to the ends reveals a remarkable feature: the black holes can be correlated or uncorrelated. We find that, as a consequence, the number-of-states enhancement factor in the action governing the formation of uncorrelated black holes is twice the one for a correlated pair. We argue that when an uncorrelated pair forms at the ends of the string, the physics involved is more analogous to thermal nucleation than to particle-antiparticle creation. Also, we analyze the process of intercommuting strings induced by black hole annihilation and merging. Finally, we discuss the consequences for grand unified strings. The process whereby uncorrelated black holes are formed yields a rate which significantly improves over those previously considered, but still not enough to modify string cosmology.

11 pages, LaTeX. Final version, to appear in Phys. Rev. D

References in corpus (11)

• The Gravitational Hamiltonian, Action, Entropy, and Surface Terms
• Entropy, Area, and Black Hole Pairs
• On Pair Creation of Extremal Black Holes and Kaluza-Klein Monopoles
• Cosmological production of charged black hole pairs
• Entropy in Black Hole Pair Production
• Abelian Higgs Hair for Black Holes
• Pair production of black holes on cosmic strings
• Breaking Cosmic Strings without Monopoles
• Smooth metrics for snapping strings
• Pair creation of black holes joined by cosmic strings
• Black Hole Pair Creation and the Entropy Factor

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