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arXiv 1107.0915hep-thgr-qc
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拓扑大质量高自旋引力

Topologically Massive Higher Spin Gravity

Arjun Bagchi, Shailesh Lal, Arunabha Saha, Bindusar Sahoo

摘要:

我们看看拓扑大质量引力(TMG)的推广到更高的自旋,特别是自旋3。我们发现一个特殊的“手征”点的自旋3,类似于自旋2的例子,这实际上符合通常的自旋2手征点。但与通常的TMG相反,在手征点处存在非平凡迹及其对数伙伴。跟踪模式携带的能量符号与无痕模式相反。无痕模式的对数伙伴携带负能量,表明在手征点的不稳定性。我们做了几个评论的渐近对称性和它可能的变形在这个手征点和推测的更高的自旋广义LCFT2双自旋3大质量引力在手征点。

英文摘要:

We look at the generalisation of topologically massive gravity (TMG) to higher spins, specifically spin-3. We find a special "chiral" point for the spin-three, analogous to the spin-two example, which actually coincides with the usual spin-two chiral point. But in contrast to usual TMG, there is the presence of a non-trivial trace and its logarithmic partner at the chiral point. The trace modes carry energy opposite in sign to the traceless modes. The logarithmic partner of the traceless mode carries negative energy indicating an instability at the chiral point. We make several comments on the asymptotic symmetry and its possible deformations at this chiral point and speculate on the higher spin generalisation of LCFT2 dual to the spin-3 massive gravity at the chiral point.

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