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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2025-11-04 4:24 |
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Conference: Bucharest University Faculty of Physics 2012 Meeting
Section: Theoretical Physics and Applied Mathematics
Title:
Applications of the quantum Chernoff bound
Authors:
Mihaela Andreea CROITORU
Affiliation:
Research Center "Theoretical Physics", Faculty of Physics, University of Bucharest, PO Box MG-11, R-077125, Magurele
E-mail
c.m.andreea@gmail.com
Keywords:
distinguishability, fidelity, quantum Chernoff bound
Abstract:
The distinguishability between non-orthogonal quantum states is a fundamental problem in quantum information theory. The recently discovered quantum Chernoff bound provides a minimal error probability in discriminating between two hypotheses when a large number of observations is performed. We calculate and plot two measures of distinguishability, the fidelity and the Chernoff bound, for mixed spin-1/2 states using the method of Calsamiglia et al..
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