String amplitudes in the Hpp-wave limit of AdS3xS3

M. Bianchi, G. D'Appollonio, E. Kiritsis +1

We compute string amplitudes on pp-waves supported by NS-NS 3-form fluxes and arising in the Penrose limit of AdS3xS3xM. We clarify the role of the non-chiral accidental SU(2) symm…