Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP07(2021)033
Keywords
Conformal Field Theory; Conformal and W Symmetry; Field Theories in Lower Dimensions; Scattering Amplitudes
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Funding
- Ramanujan Fellowship
- CSIR-UGC (JRF) fellowship [09/936(0212)/2019-EMR-I]
- KVPY scholarship
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This paper demonstrates that general parity-violating 3d conformal field theories exhibit a double copy structure in momentum space 3-point functions for conserved currents, stress tensor, and marginal scalar operators. By splitting the CFT correlator into homogeneous and non-homogeneous parts, the authors show that double copy relations exist separately for each part. The analysis is extended to correlators involving higher-spin conserved currents, indicating that the spin-s current correlator can be viewed as s copies of the spin one current correlator.
We show that general parity-violating 3d conformal field theories show a double copy structure for momentum space 3-point functions of conserved currents, stress tensor and marginal scalar operators. Splitting up the CFT correlator into two parts - called homogeneous and non-homogeneous - we show that double copy relations exist for each part separately. We arrive at similar conclusions regarding double copy structures using tree-level correlators of massless fields in dS(4). We also discuss the flat space limit of these correlators. We further extend the double copy analysis to correlators involving higher-spin conserved currents, which suggests that the spin-s current correlator can be thought of as s copies of the spin one current correlator.
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