Journal of High Energy Physics

, 2017:159 | Cite as

Entanglement shadows in LLM geometries

  • Vijay Balasubramanian
  • Albion Lawrence
  • Andrew Rolph
  • Simon F. RossEmail author
Open Access
Regular Article - Theoretical Physics


We find a new example of an asymptotically AdS5 × S5 geometry which has an entanglement shadow: that is, a region of spacetime which no Ryu-Takayanagi minimal surface enters. Our example is a particular case of the supersymmetric LLM geometries. Our results illustrate how minimal surfaces, which holographically geometrize entanglement entropy, can fail to probe the whole of spacetime, posing a challenge for attempts to directly reconstruct holographic geometries from the entanglement entropies of the dual field theory. We also comment on the relation to previous investigations of minimal surfaces localised in the S5 factor of AdS5 × S5.


AdS-CFT Correspondence Gauge-gravity correspondence 


Open Access

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Copyright information

© The Author(s) 2017

Authors and Affiliations

  • Vijay Balasubramanian
    • 1
    • 4
  • Albion Lawrence
    • 2
  • Andrew Rolph
    • 2
  • Simon F. Ross
    • 3
    Email author
  1. 1.David Rittenhouse LaboratoriesUniversity of PennsylvaniaPhiladelphiaU.S.A.
  2. 2.Martin Fisher School of PhysicsBrandeis UniversityWalthamU.S.A.
  3. 3.Centre for Particle Theory, Department of Mathematical SciencesDurham UniversityDurhamU.K.
  4. 4.Theoretische Natuurkunde, Vrije Universiteit Brussel (VUB), and International Solvay InstitutesBrusselsBelgium

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