More on $(4,4)$ supermultiplets in $SU(2)\times SU(2)$ harmonic superspace

E. Ivanov, A. Sutulin

We define the $SU(2)\times SU(2)$ harmonic superspace analogs of tensor and nonlinear $(4,4)$, $2D$ supermultiplets. They are described by constrained analytic superfields and prov…