Comments on epsilon expansion of the \(O(N)\) model with boundary
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Publication:6101195
DOI10.1007/JHEP03(2023)051arXiv2212.04078MaRDI QIDQ6101195
Author name not available (Why is that?)
Publication date: 31 May 2023
Published in: (Search for Journal in Brave)
Abstract: The O vector model in the presence of a boundary has a non-trivial fixed point in dimensions and exhibits critical behaviors described by boundary conformal field theory. The spectrum of boundary operators is investigated at the leading order in the -expansion by diagrammatic and axiomatic approaches. In the latter, we extend the framework of Rychkov and Tan for the bulk theory to the case with a boundary and calculate the conformal dimensions of boundary composite operators with attention to the analyticity of correlation functions. In both approaches, we obtain consistent results.
Full work available at URL: https://arxiv.org/abs/2212.04078
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