entropyOneSite()

SRDef syten::entropyOneSite	(	MPS::State &	input,
		Index const	site,
		std::set< Index > const &	bath
	)

Calculates the single site entropy of a state.

Parameters

input	Input state.
site	Single site for which the entropy shall be calculated.

Returns

Single site entropy.

References std::set< K >::count(), entropy(), entropyTwoSite(), syten::MPS::State::leftnorm(), syten::MPS::State::lIdx, std::move(), syten::MPS::State::rIdx, syten::MPS::State::rightnorm(), syten::MPS::State::size(), and syten::MPS::State::uIdx.

Referenced by entropyTwoSite().

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