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Quantum Algorithms
A lower bound on the fidelity between two states in terms of their trace-distance and max-relative entropy
arXiv
Authors: Lin Zhang, Kaifeng Bu, Junde Wu
Year
2014
Paper ID
47557
Status
Preprint
Abstract Read
~2 min
Abstract Words
48
Citations
N/A
Abstract
Fidelity is a fundamental and ubiquitous concept in quantum information theory. Fuchs-van de Graaf's inequalities deal with bounding fidelity from above and below. In this paper, we give a lower bound on the quantum fidelity between two states in terms of their trace-norm distance and their max-relative entropy.
Why This Paper Matters
- It adds a 2014 reference point for readers tracking recent quantum research.
- Fidelity is a fundamental and ubiquitous concept in quantum information theory.
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