Path-integral complexity for perturbed CFTs
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Publication:2413710
DOI10.1007/JHEP07(2018)086zbMATH Open1395.81204arXiv1804.01999WikidataQ112308774 ScholiaQ112308774MaRDI QIDQ2413710
Author name not available (Why is that?)
Publication date: 14 September 2018
Published in: (Search for Journal in Brave)
Abstract: In this work, we formulate a path-integral optimization for two dimensional conformal field theories perturbed by relevant operators. We present several evidences how this optimization mechanism works, based on calculations in free field theories as well as general arguments of RG flows in field theories. Our optimization is performed by minimizing the path-integral complexity functional that depends on the metric and also on the relevant couplings. Then, we compute the optimal metric perturbatively and find that it agrees with the time slice of the hyperbolic metric perturbed by a scalar field in the AdS/CFT correspondence. Last but not the least, we estimate contributions to complexity from relevant perturbations.
Full work available at URL: https://arxiv.org/abs/1804.01999
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