Global quantum discord and thermal tensor network in XXZ chains at finite temperatures
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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 (… read more here.
Keywords: chains finite; finite temperatures; quantum; thermal tensor ... See more keywords