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Optica Publishing Group
  • Optical Fiber Communication Conference and International Conference on Quantum Information
  • 2001 OSA Technical Digest Series (Optica Publishing Group, 2001),
  • paper PB31
  • https://doi.org/10.1364/ICQI.2001.PB31

Additivity for some product channels

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Abstract

We show that the Holevo bound, the minimal entropy, and the maximal p-norm are additive (respectively multiplicative) for some product quantum channels. The implications for information capacity of quantum channels are discussed.

© 2001 Optical Society of America

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