density_matrix() [1/2]

template<typename T >

void cntr::herm_matrix_timestep_view< T >::density_matrix	(	int	tstp,
		std::complex< T > &	M
	)

Return single particle density matrix from herm_matrix_timestep_view.

Purpose

Return single particle density matrix (occupation) from herm_matrix_timestep_view Works for scalar.

Parameters

tstp	timestep index
M	density matrix, returned as complex number

Definition at line 2096 of file cntr_herm_matrix_timestep_view_impl.hpp.

                                                                            {
    assert(tstp==tstp_);
    if (tstp_ == -1) {
        M = -(*matptr(ntau_));
    } else {
        M = CPLX(0.0, sig_)*(*lesptr(tstp_));
    }
}