Function sequant::mbpt::op::T_pt_¶ Defined in File op.cpp Function Documentation¶ ExprPtr sequant::mbpt::op::T_pt_(std::size_t order, std::size_t K)¶ Makes perturbed particle-conserving excitation operator of rank K. Parameters: order – order of perturbation K – rank of the excitation operator Pre: order==1, only first order perturbation is supported now