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Trapped Ion Quantum Computing
Algebraic metrology: Pretty good states and bounds
arXiv
Authors: Michalis Skotiniotis, Florian Fröwis, Wolfgang Dür, Barbara Kraus
Year
2014
Paper ID
47654
Status
Preprint
Abstract Read
~2 min
Abstract Words
70
Citations
N/A
Abstract
We investigate quantum metrology using a Lie algebraic approach for a class of Hamiltonians, including local and nearest-neighbor interaction Hamiltonians. Using this Lie algebraic formulation, we identify and construct highly symmetric states that admit Heisenberg scaling in precision in the absence of noise, and investigate their performance in the presence of noise. To this aim we perform a numerical scaling analysis, and derive upper bounds on the quantum Fisher information.
Why This Paper Matters
- This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
- It adds a 2014 reference point for readers tracking recent quantum research.
- We investigate quantum metrology using a Lie algebraic approach for a class of Hamiltonians, including local and nearest-neighbor interaction Hamiltonians.
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