The $α\to 1$ Limit of the Sharp Quantum Rényi Divergence

12 Feb 2021 Bjarne Bergh Robert Salzmann Nilanjana Datta

Fawzi and Fawzi recently defined the sharp R\'enyi divergence, $D_\alpha^\#$, for $\alpha \in (1, \infty)$, as an additional quantum R\'enyi divergence with nice mathematical properties and applications in quantum channel discrimination and quantum communication. One of their open questions was the limit ${\alpha} \to 1$ of this divergence... (read more)

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  • QUANTUM PHYSICS
  • MATHEMATICAL PHYSICS
  • MATHEMATICAL PHYSICS