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--- documentation:standard_operators:charge_quadrupole:qxy [2016/10/06 08:20] – created Maurits W. Haverkort
+++ documentation:standard_operators:charge_quadrupole:qxy [2016/10/10 09:41] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== Qxy ======
+###
+The xy component of $Q$ is defined as:
+\begin{equation}
+Q_{xy} = 3xy/r^2.
+\end{equation}
+The equivalent operator in Quanty is created by:
+<code Quanty Example.Quanty>
+OppQxy = NewOperator("Qxy", NF, IndexUp, IndexDn)
+</code>
+The operator could also be defined by:
+<code Quanty Example.Quanty>
+Akm={{2,-2,sqrt(1.5)*I},{2, 2,-sqrt(1.5)*I}}
+OppQxy=NewOperator("CF",NF,indexup,indexdn,Akm)
+</code>
+###
+===== Table of contents =====
+{{indexmenu>.#1}}