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arXiv 1306.0014hep-th
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W对称性与高自旋黑洞的可积性

W Symmetry and Integrability of Higher spin black holes

Geoffrey Compère, Wei Song

摘要:

在化学势一定的条件下,得到了sl(3,R)× sl(3,R)Chern-Simons理论的渐近对称代数.高自旋黑洞也遵守这些边界条件。对于sl(2,R)到sl(3,R)的每一次嵌入,我们证明了渐近对称群与化学势无关。一方面,从AdS 3的主嵌入,我们表明,W3 × W3对称性是保留后打开微扰自旋3化学势。另一方面,从对角嵌入的AdS 3开始,我们证明了在有限自旋3/2化学势下,W3^(2)x W3^(2)对称性保持不变。我们也使典型的拉格朗日形式主义和可积性方法的基础上的第三KdV(Boussinesq)层次之间的连接。

英文摘要:

We obtain the asymptotic symmetry algebra of sl(3,R) x sl(3,R) Chern-Simons theory with Dirichlet boundary conditions for fixed chemical potential. These boundary conditions are obeyed by higher spin black holes. For each embedding of sl(2,R) into sl(3,R), we show that the asymptotic symmetry group is independent of the chemical potential. On the one hand, starting from AdS3 in the principal embedding, we show that the W3 x W3 symmetry is preserved upon turning on perturbatively spin 3 chemical potentials. On the other hand, starting from AdS3 in the diagonal embedding, we show that the W3^(2) x W3^(2) symmetry is preserved upon turning on finite spin 3/2 chemical potentials. We also make connections between the canonical Lagrangian formalism and integrability methods based on the third KdV (Boussinesq) hierarchy.

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