seemps.hamiltonians.NNHamiltonian.interaction_term# method NNHamiltonian.interaction_term(i, t=0.0)[source]# Return the Operator acting on sites i and i+1. Parameters: iintIndex into the range [0, self.size-1) tfloatTime at which this interaction matrix is computed Returns: OperatorSome type of matrix in tensor or sparse-matrix form.