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Trapped Ion Quantum Computing
Detection of weak magnetic fields using nitrogen-vacancy centers with maximum confidence
arXiv
Authors: Ghazi Khan, Adam Zaman Chaudhry
Year
2021
Paper ID
40834
Status
Preprint
Abstract Read
~2 min
Abstract Words
93
Citations
N/A
Abstract
The problem of detection of magnetic fields using NV centers, that is, to check whether a weak magnetic field is present or not, can be tackled using quantum state discrimination theory. In this regard, we find the POVMs that maximize the confidence of any given measurement, taking the interaction time as well as decoherence into account. We apply our formalism over a wide range of scenarios encompassing constant and oscillating magnetic fields, while also using techniques such as dynamical decoupling to improve the confidence and extending our treatment to ensembles of NV centers.
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- This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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- The problem of detection of magnetic fields using NV centers, that is, to check whether a weak magnetic field is present or not, can be tackled using quantum state...
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