arXiv:2105.11460 [cond-mat.stat-mech]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords 2d xy model, berezinskii-kosterlitz-thouless transition, tensor-network, celebrated kosterlitz renormalization group flow, level spectroscopy method Tags Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset