A deformed IR: a new IR fixed point for four-dimensional holographic theories

Abstract In holography, the IR behavior of a quantum system at nonzero density is described by the near horizon geometry of an extremal charged black hole. It is commonly believed that for systems on S 3, this near horizon geometry is AdS2 × S 3. We show that this is not the case: generic static, no...

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Main Authors: Gary T. Horowitz, Maciej Kolanowski, Jorge E. Santos
Format: Article
Language:English
Published: SpringerOpen 2023-02-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP02(2023)152
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author Gary T. Horowitz
Maciej Kolanowski
Jorge E. Santos
author_facet Gary T. Horowitz
Maciej Kolanowski
Jorge E. Santos
author_sort Gary T. Horowitz
collection DOAJ
description Abstract In holography, the IR behavior of a quantum system at nonzero density is described by the near horizon geometry of an extremal charged black hole. It is commonly believed that for systems on S 3, this near horizon geometry is AdS2 × S 3. We show that this is not the case: generic static, nonspherical perturbations of AdS2 × S 3 blow up at the horizon, showing that it is not a stable IR fixed point. We then construct a new near horizon geometry which is invariant under only SO(3) (and not SO(4)) symmetry and show that it is stable to SO(3)-preserving perturbations (but not in general). We also show that an open set of nonextremal, SO(3)-invariant charged black holes develop this new near horizon geometry in the limit T → 0. Our new IR geometry still has AdS2 symmetry, but it is warped over a deformed sphere. We also construct many other near horizon geometries, including some with no rotational symmetries, but expect them all to be unstable IR fixed points.
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spelling doaj.art-a31bce39580a471e931525831f1f68222023-07-16T11:06:36ZengSpringerOpenJournal of High Energy Physics1029-84792023-02-012023214110.1007/JHEP02(2023)152A deformed IR: a new IR fixed point for four-dimensional holographic theoriesGary T. Horowitz0Maciej Kolanowski1Jorge E. Santos2Department of Physics, University of California at Santa BarbaraInstitute of Theoretical Physics, Faculty of Physics, University of WarsawDepartment of Applied Mathematics and Theoretical Physics, University of CambridgeAbstract In holography, the IR behavior of a quantum system at nonzero density is described by the near horizon geometry of an extremal charged black hole. It is commonly believed that for systems on S 3, this near horizon geometry is AdS2 × S 3. We show that this is not the case: generic static, nonspherical perturbations of AdS2 × S 3 blow up at the horizon, showing that it is not a stable IR fixed point. We then construct a new near horizon geometry which is invariant under only SO(3) (and not SO(4)) symmetry and show that it is stable to SO(3)-preserving perturbations (but not in general). We also show that an open set of nonextremal, SO(3)-invariant charged black holes develop this new near horizon geometry in the limit T → 0. Our new IR geometry still has AdS2 symmetry, but it is warped over a deformed sphere. We also construct many other near horizon geometries, including some with no rotational symmetries, but expect them all to be unstable IR fixed points.https://doi.org/10.1007/JHEP02(2023)152AdS-CFT CorrespondenceBlack Holes
spellingShingle Gary T. Horowitz
Maciej Kolanowski
Jorge E. Santos
A deformed IR: a new IR fixed point for four-dimensional holographic theories
Journal of High Energy Physics
AdS-CFT Correspondence
Black Holes
title A deformed IR: a new IR fixed point for four-dimensional holographic theories
title_full A deformed IR: a new IR fixed point for four-dimensional holographic theories
title_fullStr A deformed IR: a new IR fixed point for four-dimensional holographic theories
title_full_unstemmed A deformed IR: a new IR fixed point for four-dimensional holographic theories
title_short A deformed IR: a new IR fixed point for four-dimensional holographic theories
title_sort deformed ir a new ir fixed point for four dimensional holographic theories
topic AdS-CFT Correspondence
Black Holes
url https://doi.org/10.1007/JHEP02(2023)152
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