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Open Quantum Systems Decoherence
Entanglement Theory Quantum Correlations
Hierarchy of inequalities for quantitative duality
arXiv
Authors: Jesus Martinez-Linares
Year
2007
Paper ID
49841
Status
Preprint
Abstract Read
~2 min
Abstract Words
91
Citations
N/A
Abstract
We derive different relations quantifying duality in a generic two-way interferometer. These relations set different upper bounds to the visibility V of the fringes measured at the output port of the interferometer. A hierarchy of inequalities is presented which exhibits the influence of the availability to the experimenter of different sources of which-way information contributing to the total distinguishability D of the ways. For mixed states and unbalanced interferometers an inequality is derived, V^2+ Xi^2 \leq 1, which can be more stringent than the one associated with the distinguishability V2+ D2 leq 1.
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- This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
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- We derive different relations quantifying duality in a generic two-way interferometer.
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