String-Corrected Black Holes

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We investigate the geometry of four dimensional black hole solutions in the presence of stringy higher curvature corrections to the low energy effective action. For certain supersymmetric two charge black holes these corrections drastically alter the causal structure of the solution, converting seemingly pathological null singularities into timelike singularities hidden behind a finite area horizon. We establish, analytically and numerically, that the string-corrected two-charge black hole metric has the same Penrose diagram as the extremal four-charge black hole. The higher derivative terms lead to another dramatic effect -- the gravitational force exerted by a black hole on an inertial observer ... continued below

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Hubeny, Veronika; Maloney, Alexander & Rangamani, Mukund February 7, 2005.

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We investigate the geometry of four dimensional black hole solutions in the presence of stringy higher curvature corrections to the low energy effective action. For certain supersymmetric two charge black holes these corrections drastically alter the causal structure of the solution, converting seemingly pathological null singularities into timelike singularities hidden behind a finite area horizon. We establish, analytically and numerically, that the string-corrected two-charge black hole metric has the same Penrose diagram as the extremal four-charge black hole. The higher derivative terms lead to another dramatic effect -- the gravitational force exerted by a black hole on an inertial observer is no longer purely attractive! The magnitude of this effect is related to the size of the compactification manifold.

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  • Journal Name: Journal of High Energy Physics; Related Information: Journal Publication Date: 16 May 2005

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  • Report No.: LBNL-56671
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1088/1126-6708/2005/05/035 | External Link
  • Office of Scientific & Technical Information Report Number: 964013
  • Archival Resource Key: ark:/67531/metadc930811

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Office of Scientific & Technical Information Technical Reports

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  • February 7, 2005

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 18, 2016, 3:59 p.m.

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Hubeny, Veronika; Maloney, Alexander & Rangamani, Mukund. String-Corrected Black Holes, article, February 7, 2005; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc930811/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.