Journal of High Energy Physics

, 2019:170 | Cite as

Quantum information processing and composite quantum fields

  • Sanjaye RamgoolamEmail author
  • Michal Sedlák
Open Access
Regular Article - Theoretical Physics


Some beautiful identities involving hook contents of Young diagrams have been found in the field of quantum information processing, along with a combinatorial proof. We here give a representation theoretic proof of these identities and a number of generalizations. Our proof is based on trace identities for elements belonging to a class of permutation centralizer algebras. These algebras have been found to underlie the combinatorics of composite gauge invariant operators in quantum field theory, with applications in the AdS/CFT correspondence. Based on these algebras, we discuss some analogies between quantum information processing tasks and the combinatorics of composite quantum fields and argue that this can be fruitful interface between quantum information and quantum field theory, with implications for AdS/CFT.


1/N Expansion AdS-CFT Correspondence 


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) 2019

Authors and Affiliations

  1. 1.Centre for Research in String Theory, Department of PhysicsQueen Mary University of LondonLondonU.K.
  2. 2.National Institute for Theoretical Physics, School of Physics and Mandelstam Institute for Theoretical PhysicsUniversity of the WitwatersrandWitsSouth Africa
  3. 3.RCQI, Institute of PhysicsSlovak Academy of SciencesBratislavaSlovakia
  4. 4.Faculty of InformaticsMasaryk UniversityBrnoCzech Republic

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