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quant-ph2023★ 1 cited
Reply to "Comment on `Multiparty quantum mutual information: An alternative definition'"
Asutosh Kumar
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…
quant-ph2023
Dilation, Discrimination and Uhlmann's Theorem of Link Products of Quantum Channels
Qiang Lei, Liuheng Cao, Asutosh Kumar +1
The study of quantum channels is the most fundamental theoretical problem in quantum information and quantum communication theory. The link product theory of quantum channels is an…
quant-ph2023
Entanglement as the cross-symmetric part of quantum discord
Chunhe Xiong, Sunho Kim, Asutosh Kumar +3
In this paper, we show that the minimal quantum discord over "cross-symmetric" state extensions is an entanglement monotone. In particular, we show that the minimal Bures distance…