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Published in 2019 at "Physica B: Condensed Matter"
DOI: 10.1016/j.physb.2019.04.021
Abstract: Abstract We characterize multi-site quantum correlations in 1D finite-size XXZ chains at finite temperatures with global quantum discord. With the help of an exact diagonalization method and a thermal-tensor-network algorithm, the thermal-state discord G (…
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Keywords:
chains finite;
finite temperatures;
quantum;
thermal tensor ... See more keywords