Physics – Quantum Physics
Scientific paper
2011-09-12
Physics
Quantum Physics
Changed the focus of the paper. 4 pages, 1 figure
Scientific paper
We consider the class of reference frame independent protocols in d dimensions for quantum key distribution, in which Alice and Bob have one natural basis that is aligned and the rest of their frames are unaligned. We relate existing approaches to tomographically complete protocols. We comment on two different approaches to finite key bounds in this setting, one direct and one using the entropic uncertainty relation and suggest that the existing finite key bounds can still be improved.
Le Thinh Phuc
Scarani Valerio
Sheridan Lana
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