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documentation:standard_operators:orbital_angular_momuntum:lplus [2016/10/06 07:58] – created Maurits W. Haverkortdocumentation:standard_operators:orbital_angular_momuntum:lplus [2016/10/10 09:41] (current) – external edit 127.0.0.1
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 +====== Lplus ======
  
 +###
 +The $L^+$ operator is defined as:
 +\begin{equation}
 +L^+ = \sum_{m=-l}^{m=l}\sum_{\sigma} \sqrt{l+m+1}\sqrt{l-m} \, a^{\dagger}_{m+1,\sigma}a^{\phantom{\dagger}}_{m,\sigma}.
 +\end{equation}
 +The equivalent operator in Quanty is created by:
 +<code Quanty Example.Quanty>
 +OppLplus = NewOperator("Lplus", NF, IndexUp, IndexDn)
 +</code>
 +###
 +
 +
 +===== Table of contents =====
 +{{indexmenu>.#1}}
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