Qyy

The yy component of $Q$ is defined as: \begin{equation} Q_{yy} = 3y^2/r^2 - 1. \end{equation} The equivalent operator in Quanty is created by:

OppQyy = NewOperator("Qyy", NF, IndexUp, IndexDn)

The operator could also be defined by:

Akm={{2,-2,-sqrt(1.5)},{2, 2,-sqrt(1.5)},{2,0,-1}}
OppQyy=NewOperator("CF",NF,indexup,indexdn,Akm)

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