Maximal Privacy without Coherence

Privacy is a fundamental feature of quantum mechanics. A coherently transmitted quantum state is inherently private. Remarkably, coherent quantum communication is not a prerequisite for privacy: there are quantum channels that are too noisy to transmit any quantum information reliably that can never...

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Bibliographic Details
Main Authors: Leung, Debbie W., Li, Ke, Smith, Graeme, Smolin, John A.
Other Authors: Massachusetts Institute of Technology. Center for Theoretical Physics
Format: Article
Language:English
Published: American Physical Society 2014
Online Access:http://hdl.handle.net/1721.1/88610
https://orcid.org/0000-0002-3944-8449