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| documentation:standard_operators:spin:smin [2016/10/05 23:55] – created Maurits W. Haverkort | documentation:standard_operators:spin:smin [2016/10/10 09:41] (current) – external edit 127.0.0.1 | ||
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| + | ====== Smin ====== | ||
| + | ### | ||
| + | The $S^-$ operator is defined as: | ||
| + | \begin{equation} | ||
| + | S^- = \sum_{\tau} a^{\dagger}_{\tau\downarrow}a^{\phantom{\dagger}}_{\tau\uparrow}. | ||
| + | \end{equation} | ||
| + | The equivalent operator in Quanty is created by: | ||
| + | <code Quanty Example.Quanty> | ||
| + | OppSmin = NewOperator(" | ||
| + | </ | ||
| + | ### | ||
| + | |||
| + | ===== Table of contents ===== | ||
| + | {{indexmenu> | ||
