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arXiv 1507.07555hep-thcond-mat.str-elquant-ph
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量子信息度规的引力对偶

Gravity Dual of Quantum Information Metric

Masamichi Miyaji, Tokiro Numasawa, Noburo Shiba, Tadashi Takayanagi, Kento Watanabe

摘要:

本文研究了共形场论中的量子信息度规(或称保真度磁化率)对主算符的微扰。我们认为,它的引力对偶近似由体积的最大时间片在AdS时空的微扰是严格的边际。我们用几个例子来证实我们的主张。

英文摘要:

We study a quantum information metric (or fidelity susceptibility) in conformal field theories with respect to a small perturbation by a primary operator. We argue that its gravity dual is approximately given by a volume of maximal time slice in an AdS spacetime when the perturbation is exactly marginal. We confirm our claim in several examples.

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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