Entanglement fidelity $F_e(\rho,\mathcal{N}) = \langle\psi|(\mathrm{id}_R\otimes\mathcal{N})(|\psi\rangle\langle\psi|)|\psi\rangle$

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Entanglement fidelity $F_e(\rho,\mathcal{N}) = \langle\psi|(\mathrm{id}_R\otimes\mathcal{N})(|\psi\rangle\langle\psi|)|\psi\rangle$ · Prove2Me