Scale Vs. Conformal Invariance in the AdS/CFT Correspondence

Details Scale Vs. Conformal Invariance in the AdS/CFT Correspondence Scale Vs. Conformal Invariance in the AdS/CFT Correspondence

2000-06-06

arxiv.org/abs/hep-th/0006037v3

Phys.Rev. D62 (2000) 125010

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, RevTeX (v3: references added)

Scientific paper

10.1103/PhysRevD.62.125010

We present two examples of non-trivial field theories which are scale invariant, but not conformally invariant. This is done by placing certain field theories, which are conformally invariant in flat space, onto curved backgrounds of a specific type. We define this using the AdS/CFT correspondence, which relates the physics of gravity in asymptotically Anti-de Sitter (AdS) spacetimes to that of a conformal field theory (CFT) in one dimension fewer. The AdS rotating (Kerr) black holes in five and seven dimensions provide us with the examples, since by the correspondence we are able to define and compute the action and stress tensor of four and six dimensional field theories residing on rotating Einstein universes, using the ``boundary counterterm'' method. The rotation breaks conformal but not scale invariance. The AdS/CFT framework is therefore a natural arena for generating such examples of non-trivial scale invariant theories which are not conformally invariant.

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