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Published in 2018 at "Communications in Mathematical Physics"
DOI: 10.1007/s00220-019-03613-2
Abstract: We study quantum chains whose Hamiltonians are perturbations by bounded interactions of short range of a Hamiltonian that does not couple the degrees of freedom located at different sites of the chain and has a…
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Keywords:
quantum chains;
diagonalization gapped;
schwinger block;
block diagonalization ... See more keywords