Lie-Schwinger block-diagonalization and gapped quantum chains: Analyticity of the ground-state energy

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Authors: S. Del Vecchio, J. Fröhlich, A. Pizzo, S. Rossi

Journal title: Journal of Functional Analysis

Journal number: 279/8

Journal publisher: Academic Press

Published year: 2020

Published pages: 108703

DOI identifier: 10.1016/j.jfa.2020.108703

ISSN: 0022-1236