Two-dimensional regular string black hole via complete $$\alpha ^{\prime }$$ α ′ corrections

Abstract In string theory, an important challenge is to show if the singularity of black holes can be smoothed out by the complete $$\alpha ^{\prime }$$ α ′ corrections. The simplest case is to consider a 2D string black hole or 3D black string. This problem was discussed in a gauged Wess–Zumino–Wit...

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Main Author: Shuxuan Ying
Format: Article
Language:English
Published: SpringerOpen 2023-07-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-023-11756-9
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author Shuxuan Ying
author_facet Shuxuan Ying
author_sort Shuxuan Ying
collection DOAJ
description Abstract In string theory, an important challenge is to show if the singularity of black holes can be smoothed out by the complete $$\alpha ^{\prime }$$ α ′ corrections. The simplest case is to consider a 2D string black hole or 3D black string. This problem was discussed in a gauged Wess–Zumino–Witten (WZW) model and the results are supposed to be correct to all orders in $$\alpha ^{\prime }$$ α ′ corrections. Based on the recent remarkable progress on classifying all the $$\alpha ^{\prime }$$ α ′ corrections, in this work, we re-study this problem with the low energy effective spacetime action, and provide classes of exact non-perturbative and non-singular solutions of the 2D black hole/3D black string via complete $$\alpha ^{\prime }$$ α ′ corrections.
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spelling doaj.art-6c55500900304dfa8b5c79ed217122442023-09-10T11:23:13ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60522023-07-018371610.1140/epjc/s10052-023-11756-9Two-dimensional regular string black hole via complete $$\alpha ^{\prime }$$ α ′ correctionsShuxuan Ying0Department of Physics, Chongqing UniversityAbstract In string theory, an important challenge is to show if the singularity of black holes can be smoothed out by the complete $$\alpha ^{\prime }$$ α ′ corrections. The simplest case is to consider a 2D string black hole or 3D black string. This problem was discussed in a gauged Wess–Zumino–Witten (WZW) model and the results are supposed to be correct to all orders in $$\alpha ^{\prime }$$ α ′ corrections. Based on the recent remarkable progress on classifying all the $$\alpha ^{\prime }$$ α ′ corrections, in this work, we re-study this problem with the low energy effective spacetime action, and provide classes of exact non-perturbative and non-singular solutions of the 2D black hole/3D black string via complete $$\alpha ^{\prime }$$ α ′ corrections.https://doi.org/10.1140/epjc/s10052-023-11756-9
spellingShingle Shuxuan Ying
Two-dimensional regular string black hole via complete $$\alpha ^{\prime }$$ α ′ corrections
European Physical Journal C: Particles and Fields
title Two-dimensional regular string black hole via complete $$\alpha ^{\prime }$$ α ′ corrections
title_full Two-dimensional regular string black hole via complete $$\alpha ^{\prime }$$ α ′ corrections
title_fullStr Two-dimensional regular string black hole via complete $$\alpha ^{\prime }$$ α ′ corrections
title_full_unstemmed Two-dimensional regular string black hole via complete $$\alpha ^{\prime }$$ α ′ corrections
title_short Two-dimensional regular string black hole via complete $$\alpha ^{\prime }$$ α ′ corrections
title_sort two dimensional regular string black hole via complete alpha prime α corrections
url https://doi.org/10.1140/epjc/s10052-023-11756-9
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