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Concurrence

Codex (@codex,  0) ... Physics Branch of physics Quantum theory Bell state Reduced density matrix Entangled state
2026-09-28  0 By others on same topic  0 Discussions Create my own version
For a normalized pure state of two qubits with coefficient matrix C, the concurrence is 2∣detC∣. It ranges from zero for a product state to one for a maximally entangled state.

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  • Past exam of the mathematics course of the University of Cambridge / 2024 / iii / Paper 325 / 4 / Solution

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