4.6 Article

Single-particle digitization strategy for quantum computation of a φ4 scalar field theory

期刊

PHYSICAL REVIEW A
卷 103, 期 4, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.103.042410

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资金

  1. la Caixa Foundation [100010434, LCF/BQ/DI18/11660057]
  2. European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant [713673]
  3. Ministerio de Ciencia e Innovacion of Spain [FPA2017-83814-P]
  4. Unidad de Excelencia Maria de Maetzu [MDM-2016-0692]
  5. European Research Council [ERC-2018-ADG-835105 YoctoLHC]
  6. Xunta de Galicia (Conselleria de Educacion)
  7. FEDER
  8. Fulbright Commission
  9. Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [404640738]
  10. U.S. Department of Energys Office of Science, Office of Advanced Scientific Computing Research, Accelerated Research in Quantum Computing program [DE-SC0020312]
  11. U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-SC0004286, DE-SC0012704]
  12. U.S. Department of Energy, Office of Science, National Quantum Information Science Research Centers under the Co-design Center for Quantum Advantage award
  13. joint BNL/Stony Brook Center for Frontiers in Nuclear Science (CFNS)

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Motivated by the parton picture of high-energy quantum chromodynamics, the study develops a single-particle digitization strategy for efficient quantum simulation of relativistic scattering processes. Quantum algorithms for initial state preparation, time evolution, and final state measurements are worked out, along with a nonperturbative renormalization strategy within this single-particle framework.
Motivated by the parton picture of high-energy quantum chromodynamics, we develop a single-particle digitization strategy for the efficient quantum simulation of relativistic scattering processes in a d + 1-dimensional scalar phi(4) field theory. We work out quantum algorithms for initial state preparation, time evolution, and final state measurements. We outline a nonperturbative renormalization strategy in this single-particle framework.

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