Comment on "Conditional Decoupling of Quantum Information"

March 27, 2019 Β· Declared Dead Β· πŸ› arXiv.org

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Authors Naresh Sharma arXiv ID 1903.11291 Category quant-ph: Quantum Computing Cross-listed cs.IT Citations 0 Venue arXiv.org Last Checked 5 months ago
Abstract
Berta et al [Phys. Rev. Lett., 121, 040504 (2018)] claim that their result provides a conceptually new extension of the decoupling approach to quantum information theory. We provide an alternate proof using the plain-vanilla decoupling approach for the achievable rates of their main result and hence, their claim is unwarranted, and the title can be misleading when taken in conjunction with the claim.
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