Towards a 2d QFT analog of the SYK model
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Publication:1709374
DOI10.1007/JHEP10(2017)167zbMATH Open1383.81261arXiv1701.00528MaRDI QIDQ1709374
Author name not available (Why is that?)
Publication date: 27 March 2018
Published in: (Search for Journal in Brave)
Abstract: We propose a 2D QFT generalization of the Sachdev-Ye-Kitaev model, which we argue preserves most of its features. The UV limit of the model is described by copies of a topological Ising CFT. The full interacting model exhibits conformal symmetry in the IR and an emergent pseudo-Goldstone mode that arises from broken reparametrization symmetry. We find that the effective action of the Goldstone mode matches with the 3D AdS gravity action, viewed as a functional of the boundary metric. We compute the spectral density and show that the leading deviation from conformal invariance looks like a deformation. We comment on the relation between the IR effective action and Liouville CFT.
Full work available at URL: https://arxiv.org/abs/1701.00528
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