Photo of Tianyin Li Tianyin Li
April 3 (Wed) at 10:00 - 11:00, 2024 (JST)
  • Tianyin Li (Ph.D. Student, Institute of Quantum Matter, South China Normal University, China)
  • via Zoom
Lingxiao Wang

Recently, quantum computing (QC) has become a new method for solving non-perturbative problems in high-energy physics. Compared to traditional Monte Carlo simulations, the QC method does not encounter the sign problem, making it an effective approach for solving dynamical and finite density problems. The first part of this talk focuses on the quantum simulation of the hadronic scattering process, including the initial state parton distribution functions, intermediate state partonic scattering amplitudes, and final state hadronization. The second part of this talk concentrates on the qubit encoding of Hamiltonian formalism in lattice gauge field theory with a Coulomb gauge. As a preliminary attempt, the qubit encoding of (3+1)-dimensional Coulomb gauge QED will be discussed.


  1. T. Li, X. Guo, W. K. Lai, X. Liu, E. Wang, H. Xing, D. B. Zhang, and S. L. Zhu, Partonic collinear structure by quantum computing, Phys. Rev. D. 105, L111502 (2022), doi: 10.1103/PhysRevD.105.L111502, arXiv: 2106.03865
  2. T.Li, X.Guo, W.K.Lai, X.Liu, E.Wang, H.Xing, D.B.Zhang and S.L.Zhu, Exploring light-cone distribution amplitudes from quantum computing, Sci.China Phys.Mech.Astron. 66 (2023) 8, 281011 (2023), doi: 10.1007/s11433-023-2120-1, arXiv: 2207.13258
  3. T.Li, W.K.Lai, E.Wang and H.Xing, Scattering amplitude from quantum computing with reduction formula, Phys.Rev.D 109 3, 036025 (2024), doi: 10.1103/PhysRevD.109.036025, arXiv: 2301.04179

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