Quantum ToolkitOperatorsYYOn this pageYY YY(integer site0, integer site1) -> SpinHalfOperator Returns a spin-1/2 OperatorNamed for Yi⋅YjY_i \cdot Y_jYi⋅Yj operator, taking two individual site indices. Parameters site0: The first site index. site1: The second site index. Example var pyy1 = YY(0, 1)