Physics – Quantum Physics
Scientific paper
2005-06-16
Phys. Rev. A 73, 032311 (2006)
Physics
Quantum Physics
4 pages Latex; v2 has a new reference
Scientific paper
10.1103/PhysRevA.73.032311
Suppose that Alice and Bob define their coordinate axes differently, and the change of reference frame between them is given by a probability distribution mu over SO(3). We show that this uncertainty of reference frame is of no use for bit commitment when mu is uniformly distributed over a (sub)group of SO(3), but other choices of mu can give rise to a partially or even asymptotically secure bit commitment.
Harrow Aram
Oliveira Roberto
Terhal Barbara
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