8 citations · 22 across the 6 of their papers we have counts for
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math-ph2019★ 1 cited
Lie-Schwinger block-diagonalization and gapped quantum chains: analyticity of the ground-state energy
S. Del Vecchio, J. Fröhlich, A. Pizzo +1
We consider quantum chains whose Hamiltonians are perturbations by interactions of short range of a Hamiltonian that does not couple the degrees of freedom located at different sit…
math-ph2019★ 8 cited
Lie-Schwinger block-diagonalization and gapped quantum chains with unbounded interactions
S. Del Vecchio, J. Fröhlich, A. Pizzo +1
We study quantum chains whose Hamiltonians are perturbations by interactions of short range of a Hamiltonian that does not couple the degrees of freedom located at different sites…