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

被引：43
作者：
Barata, Joao [1 ]
Mueller, Niklas [2 ]
Tarasov, Andrey [3 ,4 ]
Venugopalan, Raju [5 ]
机构：
[1] Univ Santiago de Compostela, Inst Galego Fis Altas Enerxias IGFAE, E-15782 Galicia, Spain
[2] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[3] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[4] SUNY Stony Brook, Joint BNL SBU Ctr Frontiers Nucl Sci CFNS, Stony Brook, NY 11794 USA
[5] Brookhaven Natl Lab, Dept Phys, Bldg 510A, Upton, NY 11973 USA
来源：
PHYSICAL REVIEW A | 2021年 / 103卷 / 04期
基金：
欧洲研究理事会; 欧盟地平线“2020”;
关键词：
INELASTIC ELECTRON-PROTON; SCATTERING; ALGORITHMS; TIME; QCD; RENORMALIZATION; SIMULATION; DEPENDENCE; SCHWINGER; EVOLUTION;
D O I：
10.1103/PhysRevA.103.042410
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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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页数：23
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