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Title: Complementarity of information sent via different bases
Authors: Wu, S.
Yu, S. 
Mølmer, K.
Issue Date: 23-Feb-2009
Citation: Wu, S., Yu, S., Mølmer, K. (2009-02-23). Complementarity of information sent via different bases. Physical Review A - Atomic, Molecular, and Optical Physics 79 (2) : -. ScholarBank@NUS Repository.
Abstract: We discuss quantitatively the complementarity of information transmitted by a quantum system prepared in a basis state in one out of several different mutually unbiased bases (MUBs). We obtain upper bounds on the information available to a receiver who has no knowledge of which MUB was chosen by the sender. These upper bounds imply a complementarity of information encoded via different MUBs and ultimately ensure the security in quantum key distribution protocols. © 2009 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.79.022320
Appears in Collections:Staff Publications

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