Accelerating lattice quantum field theory calculations via interpolator optimization using noisy intermediate-scale quantum computing
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PhysRevLett.124.080501.pdf
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Author(s)
Avkhadiev, Artur Ramisovich
Shanahan, Phiala
Young, R. D.
Date Issued
February 26, 2020
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Avkhadiev, A., P.E. Shanahan, and R.D. Young, "Accelerating lattice quantum field theory calculations via interpolator optimization using noisy intermediate-scale quantum computing." Physical Review Letters 124 (Aug. 2020): no. 080501 doi 10.1103/PhysRevLett.124.080501 ©2020 Author(s)
Version
Final published version
Abstract
The only known way to study quantum field theories in nonperturbative regimes is using numerical calculations regulated on discrete space-time lattices. Such computations, however, are often faced with exponential signal-to-noise challenges that render key physics studies untenable even with next generation classical computing. Here, a method is presented by which the output of small-scale quantum computations on noisy intermediate-scale quantum era hardware can be used to accelerate larger-scale classical field theory calculations through the construction of optimized interpolating operators. The method is implemented and studied in the context of the 1+1-dimensional Schwinger model, a simple field theory which shares key features with the standard model of nuclear and particle physics. ©2020
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
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Creative Commons Attribution 3.0 unported license
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.124.080501
