Background field method for nonlinear sigma models in nonrelativistic string theory
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Publication:2191753
DOI10.1007/JHEP03(2020)181zbMATH Open1435.83190arXiv1912.03181MaRDI QIDQ2191753
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Publication date: 25 June 2020
Published in: (Search for Journal in Brave)
Abstract: We continue the study of nonrelativistic string theory in background fields. Nonrelativistic string theory is described by a nonlinear sigma model that maps a relativistic worldsheet to a non-Lorentzian and non-Riemannian target space geometry, which is known to be string Newton-Cartan geometry. We develop the covariant background field method in this non-Riemannian geometry. We apply this background field method to compute the beta-functions of the nonlinear sigma model that describes nonrelativistic string theory on a string Newton-Cartan geometry background, in presence of a Kalb-Ramond two-form and dilaton field.
Full work available at URL: https://arxiv.org/abs/1912.03181
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