Shared access to quantum information

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


It is shown that quantum mechanics allows a qubit to be transferred so that it can be accessed symmetrically by two observers. These can then decide later which one is to take possession of the quantum information. The process is not fully successful, but a failed experiment may allow the retention of the quantum information for use in a subsequent operation.

Original languageEnglish
Article number044301
Number of pages3
JournalPhysical Review A
Issue number4
Publication statusPublished - Oct 2000


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