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arXiv 2202.03464hep-thhep-latquant-ph
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AdS $_3$中标量场的双曲格

Hyperbolic Lattice for Scalar Field Theory in AdS$_3$

Richard C. Brower, Cameron V. Cogburn, Evan Owen

摘要:

通过推广Poincaré圆盘上AdS $_2$的等边三角剖分,基于$(2,3,7)$三角形群构造了AdS $_3$的Tessellation,适用于研究强耦合现象和AdS/CFT对应.给出了一种有利于动力学和量子计算研究的哈密顿形式。我们显示的自由标量理论的晶格计算和分析结果之间的协议,并找到一个二阶临界转变的$ϕ^4$理论使用蒙特卡罗模拟的证据。讨论了AdS哈密顿量在实时演化和量子计算中的应用。

英文摘要:

We construct a tessellation of AdS$_3$, by extending the equilateral triangulation of AdS$_2$ on the Poincaré disk based on the $(2,3,7)$ triangle group, suitable for studying strongly coupled phenomena and the AdS/CFT correspondence. A Hamiltonian form conducive to the study of dynamics and quantum computation is presented. We show agreement between lattice calculations and analytic results for the free scalar theory and find evidence of a second order critical transition for $ϕ^4$ theory using Monte Carlo simulations. Applications of this AdS Hamiltonian formulation to real time evolution and quantum computing are discussed.

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