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February 18, 2011IEEE Transactions on Information Theory129 citations

One-Shot Rates for Entanglement Manipulation Under Non-entangling Maps

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FBFernando G. S. L. BrandãoNDNilanjana Datta

Key Points

  • This research aims to find optimal rates for manipulating entanglement using operations that produce minimal entanglement.
  • Derived expressions for the max- and min-relative entropies of entanglement.
  • Analyzed logarithmic robustnesses of entanglement and their smoothed versions.
  • Explored the limit of many identical copies of shared entangled states.
  • Identified new operational meanings for entanglement measures based on derived expressions.
  • Partially recovered reversibility of entanglement manipulation under non-entangling operations.
  • Demonstrated optimal manipulation rates despite negligible entanglement generation.

Abstract

We obtain expressions for the optimal rates of one-shot entanglement manipulation under operations which generate a negligible amount of entanglement. As the optimal rates for entanglement distillation and dilution in this paradigm, we obtain the max- and min-relative entropies of entanglement, the two logarithmic robustnesses of entanglement, and smoothed versions thereof. This gives a new operational meaning to these entanglement measures. Moreover, by considering the limit of many identical copies of the shared entangled state, we partially recover the recently found reversibility of entanglement manipulation under the class of operations which asymptotically do not generate entanglement.

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Cite This Study

Brandão et al. (2011) studied this question.

synapsesocial.com/papers/6a1bd12d5b8f4ede65a918ebhttps://doi.org/10.1109/tit.2011.2104531
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