Fermionic Coset, Critical Level W^(2)_4-Algebra and Higher Spins

Thomas Creutzig, Peng Gao, Andrew R. Linshaw

The fermionic coset is a limit of the pure spinor formulation of the AdS5xS5 sigma model as well as a limit of a nonlinear topological A-model, introduced by Berkovits. We study th…