Constructions of $k$-uniform states in heterogeneous systems

Keqin Feng, Lingfei Jin, Chaoping Xing +1

A pure quantum state of $n$ parties associated with the Hilbert space $\CC^{d_1}\otimes \CC^{d_2}\otimes\cdots\otimes \CC^{d_n}$ is called $k$-uniform if all the reductions to $k$-…