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20112015201920232025051015
Abstract: (arXiv)
Using integrability and analyticity properties of the AdS5/CFT4 Y-system we reduce it to a finite set of nonlinear integral equations. The Z4 symmetry of the underlying coset sigma model, in its quantum version, allows for a deeper insight into the analyticity structure of the underlying Y-functions and T-functions, as well as for their analyticity friendly parameterization in terms of Wronskian determinants of Q-functions. As a check for the new equations, we reproduce the numerical results for the Konishi operator previously obtained from the original infinite Y-system.
Note:
  • 62 pages, 11 figures/ version 3: published version
  • AdS/CFT
  • Integrability
  • integral equations: nonlinear
  • operator: Konishi
  • symmetry: Z(4)
  • AdS/CFT correspondence
  • integrability
  • coset space
  • sigma model
  • field theory: conformal