Template Function sequant::is_pure_qpannihilator¶ Defined in File op.hpp Function Documentation¶ template<Statistics S>bool sequant::is_pure_qpannihilator(const Op<S> &op, Vacuum vacuum = get_default_context(S).vacuum())¶ Returns: true if this is a pure quasiparticle annihilator with respect to the given vacuum, false otherwise