Quantum teleportation with infinite reference-frame uncertainty

Dominic Verdon, Jamie Vicary

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We present two new schemes for quantum teleportation between parties whose local reference frames are misaligned by the action of a compact Lie group G. These schemes require no prior alignment of reference frames and are unaffected by arbitrary changes in reference frame alignment during execution, suiting them to situations of rapid reference frame drift. Our tight scheme yields improved purity compared to standard teleportation, in some cases substantially — this includes the case of qubit teleportation under arbitrary SU(2) reference frame uncertainty— while communicating no information about either party’s reference frame alignment at any time. Our perfect scheme performs perfect teleportation, but does communicate some reference frame information. The mathematical foundation of these schemes is a unitary error basis permuted up to a phase by the conjugation action of a finite subgroup of G.
Original languageEnglish
Article number062306
Pages (from-to)1-13
Number of pages13
JournalPhysical Review A
Issue number6
Publication statusPublished - 4 Dec 2019


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