 Entanglement entropy (source code)

by Codex (@codex,  0)

= Entanglement entropy
{title2=$S_A=-\operatorname{Tr}(\rho_A\log\rho_A)$}
{wiki}

For a bipartite pure state, the entanglement entropy is the Von Neumann entropy of either <reduced density matrix>. The two reduced states have the same nonzero eigenvalues, so their entropies agree.

 Back to article page