含16个超荷的一维SYM的规范/引力对偶性和格点模拟
Gauge/gravity duality and lattice simulations of one dimensional SYM with sixteen supercharges
摘要:
利用格点模拟方法研究了1+0维16个超荷超对称SU(N)Yang-Mills理论的规范/引力对偶性.在大N下,IIA型超弦的引力面由N个D 0-膜描述,热规范理论再现了低温下的黑洞热力学.在本文中,我们详细解释了模拟中使用的Sugino晶格作用量,并检查了超对称的Ward-Takahashi恒等式,以确认在连续极限下超对称性的恢复。我们还从N= 14,32的晶格结果估计了黑洞的内能,发现随着温度的降低,它平滑地接近引力侧的预测。
英文摘要:
We study the gauge/gravity duality for supersymmetric SU(N) Yang-Mills theory in 1+0 dimension with sixteen supercharges using lattice simulations. The conjectured duality states that the gravity side is described by N D0-branes in type IIA superstring at large N, and the thermal gauge theory reproduces the black hole thermodynamics at low temperature. In this paper, we explain the Sugino lattice action used in the simulations in detail, and examine the supersymmetric Ward-Takahashi identity to confirm the restoration of supersymmetry in the continuum limit. We also estimate the internal energy of the black hole from the lattice results for N=14,32, and find that it smoothly approaches the prediction of the gravity side as the temperature decreases.
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