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Probing emergent geometry through phase transitions in free vector and matrix models

  • Irene Amado
  • Bo Sundborg
  • Larus Thorlacius
  • Nico Wintergerst
Open Access
Regular Article - Theoretical Physics

Abstract

Boundary correlation functions provide insight into the emergence of an effective geometry in higher spin gravity duals of O(N ) or U(N ) symmetric field theories. On a compact manifold, the singlet constraint leads to nontrivial dynamics at finite temperature and large N phase transitions even at vanishing ’t Hooft coupling. At low temperature, the leading behavior of boundary two-point functions is consistent with propagation through a bulk thermal anti de Sitter space. Above the phase transition, the two-point function shows significant departure from thermal AdS space and the emergence of localized black hole like objects in the bulk. In adjoint models, these objects appear at length scales of order of the AdS radius, consistent with a Hawking-Page transition, but in vector models they are parametrically larger than the AdS scale. In low dimensions, we find another crossover at large distances beyond which the correlation function again takes a thermal AdS form, albeit with a temperature dependent normalization factor.

Keywords

AdS-CFT Correspondence Black Holes in String Theory Higher Spin Gravity Confinement 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2017

Authors and Affiliations

  • Irene Amado
    • 1
  • Bo Sundborg
    • 1
  • Larus Thorlacius
    • 1
    • 2
  • Nico Wintergerst
    • 1
  1. 1.The Oskar Klein Centre for Cosmoparticle Physics, Department of PhysicsStockholm UniversityStockholmSweden
  2. 2.Science InstituteUniversity of IcelandReykjavikIceland

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