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arXiv 0902.2820hep-th
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d维时空中的SO（2，d-1）引力规范理论与$AdS_d/CFT_{d-1}$对应

SO(2,d-1) Gauge Theory of Gravity in d Dimensional Spacetime and $AdS_d/CFT_{d-1}$ Correspondence

Takeshi Fukuyama

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摘要：

d维引力被表述为局域SO（2，d-1）规范群的规范理论。Chern-Pontryagin指数${\cal P}_{2n}$在引力和规范理论中都起着至关重要的作用。${\cal P}_{2n}(gravity)$给出了2n维的引力拉格朗日量，具有真空解$AdS_{2n}$。与规范理论相同但具有整体对称性，并且Chern-Simon指数${\cal C}_{2n}(gauge)$的0，1-上链分别是$CFT_{2n-1}$和$CFT_{2n-2}$的一部分。奇数维中的引力公式与偶数维中的引力公式十分相似。这为AdS/CFT对应提供了新的见解。

英文摘要：

Gravity in d dimensions is formulated as the gauge theory of local SO(2,d-1) gauge group. The Chern-Pontryagin index ${\cal P}_{2n}$ plays a crucial role in both gravity and gauge theories. ${\cal P}_{2n}(gravity)$ gives the gravitational Lagrangian in 2n dimensions, having the vacuum solution $AdS_{2n}$. The same but global symmetry is shared with the gauge theories and 0,1-cochains of the Chern-Simon index ${\cal C}_{2n}(gauge)$ take part of $CFT_{2n-1}$ and $CFT_{2n-2}$, respectively. Gravity in odd dimensions is quite analogously formulated to that in even dimensions. This gives new insights on AdS/CFT correspondence.

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