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arXiv 2411.03422hep-th
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多方纠缠与全息性的信号

Signals of multiparty entanglement and holography

Vijay Balasubramanian, Monica Jinwoo Kang, Chitraang Murdia, Simon F. Ross

AI总结:

本研究通过全息态测试多方纠缠信号,提出新信号并发现其量级为1,大视界极限下信号变小,揭示纠缠短程性。

摘要:

我们研究了多方纠缠信号,这些信号是量子态的函数,仅当该态具有多方纠缠时才非零。我们考虑了已知的三方和四方纠缠信号,并提出了四方及更高方纠缠的新信号。我们对它们的一般性质作了一些评论,但主要集中于使用AdS$_3$/CFT$_2$中的全息态作为测试案例来探索其性质。对于AdS真空态和多边界虫洞态,我们发现多方纠缠信号通常非零,且以对偶CFT的中心荷为单位时量级为1,揭示了显著的多方纠缠。然而,在多边界虫洞态的大视界极限下,三方或更多方的信号变得很小,表明纠缠的短程性质。

英文摘要:

We study multiparty entanglement signals, which are functions of a quantum state that are non-zero only when the state has multiparty entanglement. We consider known signals of three- and four-party entanglement, and propose new signals for four- and higher-party entanglement. We make some remarks on their general properties, but mainly focus on using holographic states in AdS$_3/$CFT$_2$ as a test case to explore their properties. For both the AdS vacuum and multiboundary wormhole states, we find that the multiparty entanglement signals are generically non-zero and of order one in units of the central charge of the dual CFT, revealing substantial multiparty entanglement. In the large-horizon limit of multiboundary wormhole states, however, the signals for three or more parties become small indicating the short-range nature of entanglement.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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