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4 papers · 1 filter
Affine characters at negative level and elliptic genera of non-critical strings
David Jaramillo Duque, Amir-Kian Kashani-Poor
We study the elliptic genera of the non-critical strings of six dimensional superconformal field theories from the point of view of the strings' worldsheet theory. We formulate a g…
Bounding 3d CFT correlators
Miguel F. Paulos, Zechuan Zheng
We consider the problem of bounding CFT correlators on the Euclidean section. By reformulating the question as an optimization problem, we construct functionals numerically which d…
Dispersion relations and exact bounds on CFT correlators
Miguel F. Paulos
We derive new crossing-symmetric dispersion formulae for CFT correlators restricted to the line. The formulae are equivalent to the sum rules implied by what we call master functio…
-deformed 2D Quantum Field Theories
Andrea Cavaglià, Stefano Negro, István M. Szécsényi +1
It was noticed many years ago, in the framework of massless RG flows, that the irrelevant composite operator , built with the components of the energy-momentum tensor, e…