ℤNdomain walls in hot = 4 SYM at weak and strong coupling

@article{Armoni2008NdomainWI,
  title={ℤNdomain walls in hot = 4 SYM at weak and strong coupling},
  author={Adi Armoni and S. Kumar and Jefferson M. Ridgway},
  journal={Journal of High Energy Physics},
  year={2008},
  volume={2009},
  pages={076-076}
}
We study the tensions of domain walls in the deconfined phase of = 4 SUSY Yang-Mills theory on 3 × S1, at weak and strong coupling. We calculate the k-wall tension at one-loop order and find that it is proportional to k(N−k) (Casimir scaling). The two-loops analysis suggests that Casimir scaling persists to this order. The strong coupling calculation is performed by using the AdS/CFT correspondence. We argue that the k-wall should be identified with an NS5-brane wrapping an S4 inside S5 in the… 
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