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On feedback and the classical capacity of a noisy quantum channel
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UNSPECIFIED. (2005) On feedback and the classical capacity of a noisy quantum channel. IEEE TRANSACTIONS ON INFORMATION THEORY, 51 (1). pp. 320-324. ISSN 0018-9448
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Official URL: http://dx.doi.org/10.1109/TIT.2004.839519
Abstract
In Shannon information theory, the capacity of a memoryless communication channel cannot be increased by the use of feedback from receiver to sender. In this correspondence, the use of classical feedback is shown to provide no increase in the unassisted classical capacity of a memoryless quantum channel when feedback is used across nonentangled input states, or when the channel is an entanglement-breaking channel. This gives a generalization of the Shannon theory for certain classes of feedback protocols when transmitting through noisy quantum communication channels.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Journal or Publication Title: | IEEE TRANSACTIONS ON INFORMATION THEORY |
| Publisher: | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
| ISSN: | 0018-9448 |
| Date: | January 2005 |
| Volume: | 51 |
| Number: | 1 |
| Number of Pages: | 5 |
| Page Range: | pp. 320-324 |
| Identification Number: | 10.1109/TIT.2004.839519 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/7488 |
Data sourced from Thomson Reuters' Web of Knowledge
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