PIRSA:12110066 Scientific Series Quantum Information

DOI10.48660/12110066

Series: Colloquium

Smith, G. (2012). An introduction to quantum channels and their capacities. Perimeter Institute. https://pirsa.org/12110066

Smith, Graeme. An introduction to quantum channels and their capacities. Perimeter Institute, Nov. 07, 2012, https://pirsa.org/12110066 

@misc{ pirsa_PIRSA:12110066,
  doi = {10.48660/12110066},
  url = {https://pirsa.org/12110066},
  author = {Smith, Graeme},
  keywords = {Quantum Information},
  language = {en},
  title = {An introduction to quantum channels and their capacities},
  publisher = {Perimeter Institute},
  year = {2012},
  month = {nov},
  note = {PIRSA:12110066 see, \url{https://pirsa.org}}
}

Abstract

A quantum communication channel can be put to many uses: it can transmit classical information, private classical information, or quantum information. It can be used alone, with shared entanglement, or together with other channels. For each of these settings there is a capacity that quantifies a channel's fundamental potential for communication.  In this introductory talk, I will discuss what we known about the various capacities of a quantum channel, including a discussion of synergies between different channels and related additivity questions.

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