The inversion formula and 6j symbol for 3d fermions

Date

2020-09-01

Author

Albayrak, Soner
Meltzer, David
Poland, David

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In this work we study the 6j symbol of the 3d conformal group for fermionic operators. In particular, we study 4-point functions containing two fermions and two scalars and also those with four fermions. By using weight-shifting operators and harmonic analysis for the Euclidean conformal group, we relate these spinning 6j symbols to the simpler 6j symbol for four scalar operators. As one application we use these techniques to compute 3d mean field theory (MFT) OPE coefficients for fermionic operators. We then compute corrections to the MFT spectrum and couplings due to the inversion of a single operator, such as the stress tensor or a low-dimension scalar. These results are valid at finite spin and extend the perturbative large spin analysis to include non-perturbative effects in spin.

Subject Keywords

Conformal and W Symmetry, Conformal Field Theory, Nonperturbative Effects

URI

https://hdl.handle.net/11511/107682

Collections

Department of Physics, Article