triqs::atom_diag::atom_diag::c_matrix

#include <triqs/atom_diag/atom_diag.hpp>

Synopsis

atom_diag::matrix_t const & c_matrix (int op_linear_index, int sp_index) const

Matrix block for fundamental operator \(C\)

Parameters

• op_linear_index The linear index (i.e. number) of the annihilation operator, as defined by the fundamental operator set.
• sp_index The index of the initial subspace.

Returns

The index of the final subspace.