Understanding Entanglement Entropy - Sample Blog Post

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Sample Blog Post

Entanglement entropy quantifies the quantum correlations between subsystems.

For a bipartite pure state $|\psi\rangle_{AB}$, the reduced density matrix $\rho_A$ gives:

$$ S_A = -\text{Tr}(\rho_A \log \rho_A) $$

graph TD A[Pure State] --> B[Partial Trace] B --> C[Reduced Density Matrix] C --> D[Entropy]