Quantum Simulation of Light-Front Parton Correlators

Autor:	Echevarria, M. G., Egusquiza, I. L., Rico, E., Schnell, G.
Rok vydání:	2020
Předmět:	Quantum Physics Condensed Matter - Mesoscale and Nanoscale Physics High Energy Physics - Lattice High Energy Physics - Phenomenology High Energy Physics - Theory
Zdroj:	Phys. Rev. D 104, 014512 (2021)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevD.104.014512
Popis:	The physics of high-energy colliders relies on the knowledge of different non-perturbative parton correlators, such as parton distribution functions, that encode the information on universal hadron structure and are thus the main building blocks of any factorization theorem of the underlying process in such collision. These functions are given in terms of gauge-invariant light-front operators, they are non-local in both space and real time, and are thus intractable by standard lattice techniques due to the well-known sign problem. In this paper, we propose a quantum algorithm to perform a quantum simulation of these type of correlators, and illustrate it by considering a space-time Wilson loop. We discuss the implementation of the quantum algorithm in terms of quantum gates that are accessible within actual quantum technologies such as cold atoms setups, trapped ions or superconducting circuits. Comment: v2: minor changes, motivation improved, new figure added, accepted for publication in PRD; 13 pages, 5 figures. v1: 12 pages, 4 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2011.01275 Zobrazit plný text záznamu View this record from Arxiv