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arXiv 0907.1488hep-thhep-lat
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在RxS上检验N=4超杨-米尔斯理论的一个新的大N约化^[3]

Testing a novel large-N reduction for N=4 super Yang-Mills theory on RxS^3

Goro Ishiki, Sang-Woo Kim, Jun Nishimura, Asato Tsuchiya

摘要:

最近,一种新的大N约化被提出来作为平面极限上RxS^3上N=4超杨-米尔斯理论的最大超对称正则化。如果这个建议可行,我们就可以在计算机上非微扰地研究这个理论,从而类似于最近在D 0-膜系统上的工作,检验AdS/CFT对应。通过在大N约化模型中进行显式计算,我们对这一提议进行了非平凡的检验,大N约化模型只不过是所谓的平面波矩阵模型,它围绕着一个对应于RxS ^[3]的特定稳定真空。在有限温度和弱耦合条件下,我们精确地再现了N=4的超杨-米尔斯理论在R x S ^[3]上的解禁闭相变。这种相变被认为是继续到强耦合制度,在那里它对应于Hawking-Page转变的AdS侧。我们还对其他稳定真空进行了计算,并在相应的弯曲时空如RxS^3/Z_q和RxS^2上再现了超杨-米尔斯理论中的相变。

英文摘要:

Recently a novel large-N reduction has been proposed as a maximally supersymmetric regularization of N=4 super Yang-Mills theory on RxS^3 in the planar limit. This proposal, if it works, will enable us to study the theory non-perturbatively on a computer, and hence to test the AdS/CFT correspondence analogously to the recent works on the D0-brane system. We provide a nontrivial check of this proposal by performing explicit calculations in the large-N reduced model, which is nothing but the so-called plane wave matrix model, around a particular stable vacuum corresponding to RxS^3. At finite temperature and at weak coupling, we reproduce precisely the deconfinement phase transition in the N=4 super Yang-Mills theory on RxS^3. This phase transition is considered to continue to the strongly coupled regime, where it corresponds to the Hawking-Page transition on the AdS side. We also perform calculations around other stable vacua, and reproduce the phase transition in super Yang-Mills theory on the corresponding curved space-times such as RxS^3/Z_q and RxS^2.

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