Deformation of Stress-Tensor Correlators from Random Geometry
arXiv:2012.03972 · doi:10.1007/JHEP04(2021)270
Abstract
We study stress-tensor correlators in the -deformed conformal field theories in two dimensions. Using the random geometry approach to the deformation, we develop a geometrical method to compute stress-tensor correlators. More specifically, we derive the deformation to the Polyakov-Liouville conformal anomaly action and calculate three and four-point correlators to the first-order in the deformation from the deformed Polyakov-Liouville action. The results are checked against the standard conformal perturbation theory computation and we further check consistency with the -deformed operator product expansions of the stress tensor. A salient feature of the -deformed stress-tensor correlators is a logarithmic correction that is absent in two and three-point functions but starts appearing in a four-point function.
arXiv commentv2: JHEP version + minor corrections
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Cited by in corpus (10)
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- Systematic approach to correlators in deformed CFTs
- Quantum deformation of cubic string field theory