build_exchange_mpo_below()

MPS::Operator syten::MPS::build_exchange_mpo_below	(	std::vector< Basis > const &	uop_basis,
		Index const	sa,
		Index const	sb,
		Basis const &	vac,
		std::vector< Pair< Index, Index > > const &	fermions
	)

Behaves the same as build_exchange_mpo_above(), except that it constructs the MPO for application from below; hence also needs an outgoing basis vector to be supplied.

References build_exchange_tensors_below(), genMPOId(), std::move(), std::vector< T >::size(), SYTEN_ASSERT, and SYTEN_ASSERT_MSG.

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