Publication details

Bound on trace distance based on super-fidelity

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MISZCZAK Jarosław PUCHALA Zbigniew

Year of publication 2009
Type Article in Periodical
Magazine / Source Physical Review A
MU Faculty or unit

Faculty of Informatics

Field Informatics
Keywords Quantum information processing; trace distance; super-fidelity
Description We provide a bound for the trace distance between two quantum states. The lower bound is based on the superfidelity, which provides the upper bound on quantum fidelity. One of the advantages of the presented bound is that it can be estimated using a simple measurement procedure. We also compare this bound with the one provided in terms of fidelity.
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