4.7 Article

Partonic collinear structure by quantum computing

期刊

PHYSICAL REVIEW D
卷 105, 期 11, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.105.L111502

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资金

  1. Guangdong Major Project of Basic and Applied Basic Research [2020B0301030008]
  2. Key-Area Research and Development Program of GuangDong Province [2019B030330001]
  3. Key Project of Science and Technology of Guangzhou [2019050001]
  4. National Natural Science Foundation of China [12022512, 12035007, 12175016, 12005065, 12074180]
  5. Guangdong Basic and Applied Basic Research Fund [2021A1515010317]

向作者/读者索取更多资源

We propose a systematic quantum algorithm for studying parton distribution functions and demonstrate its application in the 1-dimensional Nambu-JonaLasinio model. The proposed algorithm is validated by its consistency with traditional methods and qualitative agreement with QCD PDFs. This research suggests promising prospects for calculating QCD PDFs on current and near-term quantum devices.
We present a systematic quantum algorithm, which integrates both the hadronic state preparation and the evaluation of real-time light-front correlators, to study parton distribution functions (PDFs). As a proof of concept, we demonstrate the first direct simulation of the PDFs in the 1 ?? 1 dimensional Nambu-JonaLasinio model. We show the results obtained by exact diagonalization and by quantum computation using classical hardware. The agreement between these two distinct methods and the qualitative consistency with QCD PDFs validate the proposed quantum algorithm. Our work suggests the encouraging prospects of calculating QCD PDFs on current and near-term quantum devices. The presented quantum algorithm is expected to have many applications in high energy particle and nuclear physics.

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