( 1 ) terms

Linear terms of the Hamiltonian are trivial and do not split into extra types.

\[\begin{split}C_1 \sum_{\substack{\mu, \\ \alpha_1, \\ i_1}} J^{i_1}_{\alpha_1} S_{\mu, \alpha_1}^{i_1}\end{split}\]

Relevant API

• magnopy.Convention.c1

  Convention constant.

• magnopy.SpinHamiltonian.add()

  Method to add the parameter to the Hamiltonian.

• magnopy.SpinHamiltonian.remove()

  Method to remove the parameter from the Hamiltonian.

• magnopy.SpinHamiltonian.p1

  An iterator over the parameters already added to the Hamiltonian.