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：

欧盟地平线“2020”; 欧洲研究理事会;

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.

引用

页数：23

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