Reply to "Comment on `Multiparty quantum mutual information: An alternative definition'"

We reaffirm the claim of Lee et al. [preceding Comment, Phys. Rev. A 108, 066401 (2023)] that the expression of quantum dual total correlation of a multipartite system in terms of quantum relative entropy as proposed in previous work [A. Kumar, Phys. Rev. A 96, 012332 (2017)] is not correct. We provide alternate expression(s) of quantum dual total correlation in terms of quantum relative entropy. We, however, prescribe that in computing quantum dual total correlation one should use its expression in terms of von Neumann entropy.

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