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arXiv 2402.00635hep-th
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双标度SYK、弦与德西特引力

Double-scaled SYK, Chords and de Sitter Gravity

Herman Verlinde

AI总结:

本研究聚焦三维德西特引力配分函数,受双标度SYK对应启发将哈密顿量等同于引力Wilson线,推导得与双标度SYK一致的弦规则和能谱,并据此计算配分函数与标量两点函数。

摘要:

我们研究三维德西特引力的配分函数,该配分函数定义为对非旋转施瓦西-德西特时空相空间量子化得到的希尔伯特空间求迹。受与double scaled SYK(双标度SYK模型)对应关系的启发,我们将哈密顿量与测量锥形亏角的引力Wilson线(威尔逊线)等同起来。我们用正则变量表示哈密顿量,发现它给出与double scaled SYK模型完全相同的弦规则和能谱。我们利用所得的匹配关系计算了三维德西特引力中的配分函数和标量两点函数。

英文摘要:

We study the partition function of 3D de Sitter gravity defined as the trace over the Hilbert space obtained by quantizing the phase space of non-rotating Schwarzschild-de Sitter spacetime. Motivated by the correspondence with double scaled SYK, we identify the Hamiltonian with the gravitational Wilson-line that measures the conical deficit angle. We express the Hamiltonian in terms of canonical variables and find that it leads to the exact same chord rules and energy spectrum as the double scaled SYK model. We use the obtained match to compute the partition function and scalar two-point function in 3D de Sitter gravity.

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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