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arXiv 1803.04416hep-th
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用量子谱曲线计算有限耦合下AdS5/CFT4的Hagedorn温度

The Hagedorn temperature of AdS5/CFT4 at finite coupling via the Quantum Spectral Curve

Troels Harmark, Matthias Wilhelm

摘要:

基于最近建立的哈格多恩温度和可积性之间的联系[Phys.Rev.Lett. 120(2018)no.7,071605],我们展示了如何使用量子光谱曲线形式来计算AdS 5/CFT 4对于任何t Hooft耦合值的Hagedorn温度。我们解决这个有限系统的有限差分方程微扰弱耦合和数值有限耦合。我们确认以前的结果在弱耦合,并获得以前未知的三环Hagedorn温度。我们的有限耦合的结果之间插入弱耦合和强耦合,并允许我们在强耦合提取的第一微扰阶。结果表明,在10维Minkowski空间中,大t Hooft耦合的Hagedorn温度接近IIB型弦论的Hagedorn温度.

英文摘要:

Building on the recently established connection between the Hagedorn temperature and integrability [Phys.Rev.Lett. 120 (2018) no.7, 071605], we show how the Quantum Spectral Curve formalism can be used to calculate the Hagedorn temperature of AdS5/CFT4 for any value of the 't Hooft coupling. We solve this finite system of finite-difference equations perturbatively at weak coupling and numerically at finite coupling. We confirm previous results at weak coupling and obtain the previously unknown three-loop Hagedorn temperature. Our finite-coupling results interpolate between weak and strong coupling and allow us to extract the first perturbative order at strong coupling. Our results indicate that the Hagedorn temperature for large 't Hooft coupling approaches that of type IIB string theory in ten-dimensional Minkowski space.

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