Class antisymm_element¶

Defined in File antisymmetrizer.hpp

Class Documentation¶

class antisymm_element¶

generates all unique permutations of a product where products differing only by internal tensor antisymmetry are non-unique. i.e. $𝑎 𝑖 1 𝑖 2 𝑎 1 𝑎 2 = - 𝑎 𝑖 2 𝑖 1 𝑎 1 𝑎 2$ . RHS is non-unique in this context.

Public Functions

antisymm_element(ExprPtr ex_)¶

Public Members

std::vector<Index> sorted_bra_indices¶

std::vector<Index> sorted_ket_indices¶

ExprPtr result¶