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14 papers · 2 filters
Konishi OPE coefficient at the five loop order
Alessandro Georgoudis, Vasco Goncalves, Raul Pereira
We use the method of asymptotic expansions to study the OPE limit of a four-point function of protected operators in N=4 SYM. We use a new method for evaluating the resulting propa…
Vafa-Witten theory and iterated integrals of modular forms
Jan Manschot
Vafa-Witten (VW) theory is a topologically twisted version of N=4 supersymmetric Yang-Mills theory. S-duality suggests that the partition function of VW theory with gauge group SU(…
Donaldson-Witten theory and indefinite theta functions
Georgios Korpas, Jan Manschot
We consider partition functions with insertions of surface operators of topologically twisted N=2, SU(2) supersymmetric Yang-Mills theory, or Donaldson-Witten theory for short, on…
Evaluation of the operatorial Q-system for non-compact super spin chains
Rouven Frassek, Christian Marboe, David Meidinger
We present an approach to evaluate the full operatorial Q-system of all -invariant spin chains with representations of Jordan-Schwinger type. In particular,…
Bulk Phase Shift, CFT Regge Limit and Einstein Gravity
Manuela Kulaxizi, Andrei Parnachev, Alexander Zhiboedov
The bulk phase shift, related to a CFT four-point function, describes two-to-two scattering at fixed impact parameter in the dual AdS spacetime. We describe its properties for a ge…
Free field representation of the ZF algebra of the SU(N)xSU(N) PCF model
Sergey Frolov
A free field representation of the Zamolodchikov-Faddeev algebra of the SU(N)xSU(N) Principal Chiral Field model is constructed, and used to derive an integral representation for f…