The holographic Weyl anomaly
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Publication:1588234
DOI10.1088/1126-6708/1998/07/023zbMATH Open0958.81083arXivhep-th/9806087OpenAlexW2146203925WikidataQ125800796 ScholiaQ125800796MaRDI QIDQ1588234
Author name not available (Why is that?)
Publication date: 3 December 2000
Published in: (Search for Journal in Brave)
Abstract: We calculate the Weyl anomaly for conformal field theories that can be described via the adS/CFT correspondence. This entails regularizing the gravitational part of the corresponding supergravity action in a manner consistent with general covariance. Up to a constant, the anomaly only depends on the dimension d of the manifold on which the conformal field theory is defined. We present concrete expressions for the anomaly in the physically relevant cases d = 2, 4 and 6. In d = 2 we find for the central charge c = 3 l/ 2 G_N in agreement with considerations based on the asymptotic symmetry algebra of adS_3. In d = 4 the anomaly agrees precisely with that of the corresponding N = 4 superconformal SU(N) gauge theory. The result in d = 6 provides new information for the (0, 2) theory, since its Weyl anomaly has not been computed previously. The anomaly in this case grows as N^3, where N is the number of coincident M5 branes, and it vanishes for a Ricci-flat background.
Full work available at URL: https://arxiv.org/abs/hep-th/9806087
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