Poisson Lie symmetry and D-branes in WZW model on the Heisenberg Lie group $H_4$

A. Eghbali, A. Rezaei-Aghdam

We show that the WZW model on the Heisenberg Lie group $H_4$ has Poisson-Lie symmetry only when the dual Lie group is $A_2\oplus 2A_1$. In this way, we construct the mutual…