Lie-Schwinger block-diagonalization and gapped quantum chains: analyticity of the ground-state energy
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Publication:2192360
DOI10.1016/j.jfa.2020.108703zbMath1446.82005arXiv1908.07486OpenAlexW3042030355MaRDI QIDQ2192360
Stefano Rossi, Alessandro Pizzo, Simone Del Vecchio, Jürg Fröhlich
Publication date: 17 August 2020
Published in: Journal of Functional Analysis (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1908.07486
Eigenvalues, singular values, and eigenvectors (15A18) Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs arising in equilibrium statistical mechanics (82B20) Statistical mechanics of magnetic materials (82D40)
Related Items (4)
Local iterative block-diagonalization of gapped Hamiltonians: A new tool in singular perturbation theory ⋮ Lie-Schwinger block-diagonalization and gapped quantum chains with unbounded interactions ⋮ Block-diagonalization of infinite-volume lattice Hamiltonians with unbounded interactions ⋮ Quasi-locality bounds for quantum lattice systems. II: perturbations of frustration-free spin models with gapped ground states
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