Quantum computing for high-energy physics: State of the art and challenges

A Di Meglio, K Jansen, I Tavernelli, C Alexandrou… - PRX Quantum, 2024 - APS
Quantum computers offer an intriguing path for a paradigmatic change of computing in the
natural sciences and beyond, with the potential for achieving a so-called quantum …

Scalable circuits for preparing ground states on digital quantum computers: The Schwinger model vacuum on 100 qubits

RC Farrell, M Illa, AN Ciavarella, MJ Savage - PRX Quantum, 2024 - APS
The vacuum of the lattice Schwinger model is prepared on up to 100 qubits of IBM's Eagle-
processor quantum computers. A new algorithm to prepare the ground state of a gapped …

Quantum Simulation of SU(3) Lattice Yang-Mills Theory at Leading Order in Large- Expansion

AN Ciavarella, CW Bauer - Physical Review Letters, 2024 - APS
Quantum simulations of the dynamics of QCD have been limited by the complexities of
map** the continuous gauge fields onto quantum computers. By parametrizing the gauge …

Quantum and Classical Spin-Network Algorithms for -Deformed Kogut-Susskind Gauge Theories

TV Zache, D González-Cuadra, P Zoller - Physical Review Letters, 2023 - APS
Treating the infinite-dimensional Hilbert space of non-Abelian gauge theories is an
outstanding challenge for classical and quantum simulations. Here, we employ q-deformed …

Quantum simulations of hadron dynamics in the Schwinger model using 112 qubits

RC Farrell, M Illa, AN Ciavarella, MJ Savage - Physical Review D, 2024 - APS
Hadron wave packets are prepared and time evolved in the Schwinger model using 112
qubits of IBM's 133-qubit Heron quantum computer ibm_torino. The initialization of the …

Towards quantum computing phase diagrams of gauge theories with thermal pure quantum states

Z Davoudi, N Mueller, C Powers - Physical Review Letters, 2023 - APS
The phase diagram of strong interactions in nature at finite temperature and chemical
potential remains largely theoretically unexplored due to inadequacy of Monte-Carlo–based …

Quantum simulation of lattice QCD with improved Hamiltonians

AN Ciavarella - Physical Review D, 2023 - APS
Quantum simulations of lattice gauge theories are anticipated to directly probe the real time
dynamics of QCD, but scale unfavorably with the required truncation of the gauge fields …

Qu8its for quantum simulations of lattice quantum chromodynamics

M Illa, CEP Robin, MJ Savage - Physical Review D, 2024 - APS
We explore the utility of d= 8 qudits, qu8its, for quantum simulations of the dynamics of 1+ 1
D SU (3) lattice quantum chromodynamics, including a map** for arbitrary number of …

Simulating lattice gauge theory on a quantum computer

C Charles, EJ Gustafson, E Hardt, F Herren, N Hogan… - Physical Review E, 2024 - APS
The utility of quantum computers for simulating lattice gauge theories is currently limited by
the noisiness of the physical hardware. Various quantum error mitigation strategies exist to …

Digital quantum simulation of a (1+ 1) D SU (2) lattice gauge theory with ion qudits

G Calajó, G Magnifico, C Edmunds, M Ringbauer… - PRX Quantum, 2024 - APS
We present a quantum simulation strategy for a (1+ 1)-dimensional SU (2) non-Abelian
lattice gauge theory with dynamical matter, a hardcore-gluon Hamiltonian Yang-Mills …