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oai:recercat.cat:2445/132442025-12-04T20:46:58Zcom_2072_1057col_2072_478822col_2072_478917

00925njm 22002777a 4500 dc Emparan García de Salazar, Roberto A. author 2010-07-05T08:11:37Z 2010-07-05T08:11:37Z 1995 We argue that production of charged black hole pairs joined by a cosmic string in the presence of a magnetic field can be analyzed using the Ernst metric. The effect of the cosmic string is to pull the black holes towards each other, opposing to the background field. An estimation of the production rate using the Euclidean action shows that the process is suppressed as compared to the formation of black holes without strings. Relativitat (Física) Gravitació (Física) Teoria de camps (Física) Partícules (Física) Estels General relativity and gravitation General theory of fields and particles Stars Pair Creation of Black Holes Joined by Cosmic Strings