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Trapped Ion Quantum Computing Quantum Simulation

Lowering Tomography Costs in Quantum Simulation with a Symmetry Projected Operator Basis

arXiv
Authors: Scott E. Smart, David A. Mazziotti

Year

2020

Paper ID

21499

Status

Preprint

Abstract Read

~2 min

Abstract Words

95

Citations

N/A

Abstract

Measurement in quantum simulations provides a means for extracting meaningful information from a complex quantum state, and for quantum computing reducing the complexity of measurement will be vital for near-term applications. For most quantum simulations, the targeted state will obey a number of symmetries inherent to the system Hamiltonian. We obtain a alternative symmetry projected basis of measurement that reduces the number of measurements needed. Our scheme can be implemented at no additional cost on a quantum computer, can be implemented under a variety of measurement or tomography schemes, and is fairly resilient under noise.

Why This Paper Matters

  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
  • It adds a 2020 reference point for readers tracking recent quantum research.
  • Measurement in quantum simulations provides a means for extracting meaningful information from a complex quantum state, and for quantum computing reducing the complexity of...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.06027 [2] arXiv https://arxiv.org/abs/2008.06027 [3] Publisher https://arxiv.org/abs/2008.06027

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