Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
421833 | Electronic Notes in Theoretical Computer Science | 2011 | 19 Pages |
Abstract
Controlled complementary measurements are key to quantum key distribution protocols, among many other things. We axiomatize controlled complementary measurements within symmetric monoidal categories, which provides them with a corresponding graphical calculus. We study the BB84 and Ekert91 protocols within this calculus, including the case where there is an intercept-resend attack.
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