NESSi  v1.0.2 The NonEquilibrium Systems Simulation Library

## ◆ get_ret() [11/12]

template<typename T >
 void cntr::get_ret ( const int i, const int j, std::complex< T > & G_ret, herm_matrix_timestep_view< T > & G )
inline

Returns the retarded component of a hermitian contour function at given times.

Purpose

Returns the retarded component $$G^\mathrm{R}(t_i,t_j)$$ at given times $$t_i$$ and $$t_j$$. We assume $$G^\mathrm{R}(t_i,t_j)$$ can be analytically continued to $$j > i$$, for which the hermitian conjugate $$G^\ddagger$$ is used.

Parameters
 i [int] Index of time $$t_i$$ . j [int] Index of time $$t_j$$ . G_ret [complex] The retarded component (scalar GF). G [herm_matrix_timestep_view] Contour function G

Definition at line 649 of file cntr_getset_herm_matrix_timestep_view_inc.hpp.

References get_ret().

649  {
650  get_ret(i, j, G_ret, G, G);
651 }
void get_ret(const int i, const int j, std::complex< T > &G_ret, herm_matrix_timestep_view< T > &G, herm_matrix_timestep_view< T > &Gcc)
Returns the retarded component of a general contour function at given times.
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