More strongly entangled two-qubit states can lose entanglement faster than weaker ones under local amplitude damping due to excited-state population catalyzing sudden death.
Experimental Observation of Environment-induced Sudden Death of Entanglement
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abstract
We demonstrate the difference between local, single-particle dynamics and global dynamics of entangled quantum systems coupled to independent environments. Using an all-optical experimental setup, we show that, while the environment-induced decay of each system is asymptotic, quantum entanglement may suddenly disappear. This "sudden death" constitutes yet another distinct and counter-intuitive trait of entanglement.
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quant-ph 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Anomalous Decay of Quantum Resources: The Entanglement Sudden Death Mpemba Effect
More strongly entangled two-qubit states can lose entanglement faster than weaker ones under local amplitude damping due to excited-state population catalyzing sudden death.