衰变三重态的退纠缠、Bell非定域破坏和隐形传态容量
Disentanglement, Bell-nonlocality violation and teleportation capacity of the decaying tripartite states
摘要：
在这项工作中，动力学的解纠缠作为衡量的三方负性和贝尔非局域性作为衡量的程度违反的多体贝尔型不等式进行了研究。结果表明，对于初始的三比特Greenberger-Horne-Zeilinger（GHZ）或{ \it W}类态制备，Bell非定域性在热库的影响下会突然死亡.此外，所有的Bell非局域态对非经典隐形传态都是有用的，而有纠缠态不违反任何Bell型不等式，但仍然产生非经典隐形传态保真度。
英文摘要：
Dynamics of disentanglement as measured by the tripartite negativity and Bell nonlocality as measured by the extent of violation of the multipartite Bell-type inequalities are investigated in this work. It is shown definitively that for the initial three-qubit Greenberger-Horne-Zeilinger (GHZ) or {\it W} class state preparation the Bell nonlocality suffers sudden death under the influence of thermal reservoirs. Moreover, all the Bell-nonlocal states are useful for nonclassical teleportation, while there are entangled states that do not violate any Bell-type inequalities, but still yield nonclassical teleportation fidelity.
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