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arXiv · 0709.3229

Non-Markovian disentanglement dynamics of two-qubit system

Xiufeng Cao·Hang Zheng
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Abstract

We investigated the disentanglement dynamics of two-qubit system in Non-Markovian approach. We showed that only the couple strength with the environment near to or less than fine-structure constant 1/137, entanglement appear exponential decay for a certain class of two-qubit entangled state. While the coupling between qubit and the environment is much larger, system always appears the sudden-death of entanglement even in the vacuum environment.

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Xiufeng Cao, Hang Zheng. 2007-09-20. Non-Markovian disentanglement dynamics of two-qubit system. https://doi.org/10.1103/physreva.77.022320

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