Single-particle digitization strategy for quantum computation of a $\phi^4$ scalar field theory
High Energy Physics - Theory
2021-04-15 v3 High Energy Physics - Phenomenology
Nuclear Theory
Quantum Physics
Abstract
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 dimensional scalar field theory. We work out quantum algorithms for initial state preparation, time evolution and final state measurements. We outline a non-perturbative renormalization strategy in this single-particle framework.
Keywords
Cite
@article{arxiv.2012.00020,
title = {Single-particle digitization strategy for quantum computation of a $\phi^4$ scalar field theory},
author = {João Barata and Niklas Mueller and Andrey Tarasov and Raju Venugopalan},
journal= {arXiv preprint arXiv:2012.00020},
year = {2021}
}
Comments
31 pages, 13 figures; journal version published in Phys. Rev. A 103, 042410 (2021); Table I modified to to include more precise estimate for cost of initial state preparation; Appendix B (discussion of state preparation) significantly extended & figures 10 and 11 added