Dual-unitary circuits with specific two-body operators and pair-product initial states produce states approaching the multipartite entanglement bounds of absolutely maximally entangled states.
Quantum cryptography with entangled photons,
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Lower bounds on localizable genuine multiparty entanglement are computed for graph states and toric codes under single-qubit Pauli noise, revealing critical noise strengths beyond which post-measurement states are biseparable.
Derives bounds on localizable entanglement versus lost entanglement for GHZ/W states, shows asymptotic equality for large Dicke states, and cubic scaling in XY/XXZ models, including under phase-flip noise.
citing papers explorer
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Entanglement structure for finite system under dual-unitary dynamics
Dual-unitary circuits with specific two-body operators and pair-product initial states produce states approaching the multipartite entanglement bounds of absolutely maximally entangled states.
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Localizing genuine multiparty entanglement in noisy stabilizer states
Lower bounds on localizable genuine multiparty entanglement are computed for graph states and toric codes under single-qubit Pauli noise, revealing critical noise strengths beyond which post-measurement states are biseparable.
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Controlling gain with loss: Bounds on localizable entanglement in multi-qubit systems
Derives bounds on localizable entanglement versus lost entanglement for GHZ/W states, shows asymptotic equality for large Dicke states, and cubic scaling in XY/XXZ models, including under phase-flip noise.