Function sequant::mbpt::op::T_pt_

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