Optimal quantum states for frequency estimation

Optimal quantum states for frequency estimation

We investigate different quantum parameter estimation scenarios in the presence of noise, and identify optimal probe states. For frequency estimation of local Hamiltonians with dephasing noise, we determine optimal probe states for up to 70 qubits, and determine their key properties. We find that th...

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Bibliographic Details
Main Authors: F Fröwis, M Skotiniotis, B Kraus, W Dür
Format: Article
Language:English
Published: IOP Publishing 2014-01-01
Series:New Journal of Physics
Subjects:
quantum metrology
frequency estimation
qubits systems
dephasing and depolarising noise
03.67.-a
03.65.Ud
Online Access:https://doi.org/10.1088/1367-2630/16/8/083010

Internet

https://doi.org/10.1088/1367-2630/16/8/083010

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