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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/12330
Black holes from nucleating strings
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We evaluate the probability that a loop of string that has spontaneously nucleated during inflation will form a black hole upon collapse, after the end of inflation. We then use the observational bounds on the density of primordial black holes to put constraints on the parameters of the model. Combining these constraints with current upper limits on the expansion rate during inflation, we conclude that the density of black holes formed from nucleating strings is too low to be observed. Also, constraints on domain wall nucleation and monopole pair production during inflation are briefly discussed.
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GARRIGA TORRES, Jaume and VILENKIN, A. (Alexander). Black holes from nucleating strings. Physical Review D. 1993. Vol. 47, num. 8, pags. 3265-3274. ISSN 0556-2821. [consulted: 14 of June of 2026]. Available at: https://hdl.handle.net/2445/12330