Function sequant::expand_P_op(const ExprPtr&, bool, bool)

• Defined in File spin.cpp

Function Documentation

ExprPtr sequant::expand_P_op(const ExprPtr &expr, bool keep_canonical = true, bool pair_wise = true)

Expand an expression containing the particle permutation (P) tensor.

Parameters:

expr – any ExprPtr

Returns:

an ExprPtr containing sum of expanded terms if P is present