A line of CFTs: from generalized free fields to SYKReport as inadecuate




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Journal of High Energy Physics

, 2017:86

First Online: 17 July 2017Received: 22 June 2017Accepted: 09 July 2017 Abstract

We point out that there is a simple variant of the SYK model, which we call cSYK, that is SL2, \ \mathrm{\mathbb{R}} \ invariant for all values of the coupling. The modification consists of replacing the UV part of the SYK action with a quadratic bilocal term. The corresponding bulk dual is a non-gravitational theory in a rigid AdS2 background. At weak coupling cSYK is a generalized free field theory; at strong coupling, it approaches the infrared of SYK. The existence of this line of fixed points explains the previously found connection between the three-point function of bilinears in these two theories at large q.

Keywords1-N Expansion AdS-CFT Correspondence Conformal Field Theory Renormalization Group ArXiv ePrint: 1706.07015

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Author: David J. Gross - Vladimir Rosenhaus

Source: https://link.springer.com/



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