netket.operator.spin.sigmam#

netket.operator.spin.sigmam(hilbert, site, dtype=<class 'float'>)[source]#

Builds the \(\sigma^{-} = \frac{1}{2}(\sigma^x - i \sigma^y)\) operator acting on the site-th of the Hilbert space hilbert.

If hilbert is a non-Spin space of local dimension M, it is considered as a (M-1)/2 - spin space.