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Theory and Phenomenology of a Four-Dimensional String–Corrected Black Hole

2022
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Universe
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We construct an effective four-dimensional string-corrected black hole (4D SCBH) by rescaling the string coupling parameter in a D-dimensional Callan–Myers–Perry black hole. From the theoretical point of view, the most interesting findings are that the string corrections coincide with the so-called generalized uncertainty principle (GUP) corrections to black hole solutions, Bekenstein–Hawking entropy acquires logarithmic corrections, and that there exists a critical value of the coupling

doi:10.3390/universe8030194
fatcat:4e65w32fbvbxlkvqxbe6a5ub2m