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Trapped Ion Quantum Computing
Compressed sensing for Hamiltonian reconstruction
arXiv
Authors: Kenneth Rudinger, Robert Joynt
Year
2014
Paper ID
47042
Status
Preprint
Abstract Read
~2 min
Abstract Words
88
Citations
N/A
Abstract
In engineered quantum systems, the Hamiltonian is often not completely known and needs to be determined experimentally with accuracy and efficiency. We show that this may be done at temperatures that are greater than the characteristic interaction energies, but not too much greater. The condition for this is that there are not too many interactions: the Hamiltonian is sparse in a well-defined sense. The protocol that accomplishes this is related to compressed sensing methods of classical signal processing; in this case applied to sparse rather than low-rank matrices.
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.
- In engineered quantum systems, the Hamiltonian is often not completely known and needs to be determined experimentally with accuracy and efficiency.
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