Simple Hamiltonian for quantum simulation of strongly coupled SU(2) lattice gauge theory on a honeycomb lattice

B Müller, X Yao - Physical Review D, 2023 - APS
We find a simple spin Hamiltonian to describe physical states of (2+ 1)-dimensional SU (2)
lattice gauge theory on a honeycomb lattice with a truncation of the electric field …

Liouvillian dynamics of the open Schwinger model: String breaking and kinetic dissipation in a thermal medium

K Lee, J Mulligan, F Ringer, X Yao - Physical Review D, 2023 - APS
Understanding the dynamics of bound state formation is one of the fundamental questions in
confining quantum field theories such as Quantum Chromodynamics (QCD). One …

SU(2) gauge theory in dimensions on a plaquette chain obeys the eigenstate thermalization hypothesis

X Yao - Physical Review D, 2023 - APS
We test the eigenstate thermalization hypothesis (ETH) for 2+ 1 dimensional SU (2) lattice
gauge theory. By considering the theory on a chain of plaquettes and truncating basis states …

Nearly optimal state preparation for quantum simulations of lattice gauge theories

CF Kane, N Gomes, M Kreshchuk - Physical Review A, 2024 - APS
We present several improvements to the recently developed ground-state preparation
algorithm based on the quantum eigenvalue transformation for unitary matrices (QETU) …

Efficient vacuum-state preparation for quantum simulation of strongly interacting local quantum field theories

TD Cohen, H Oh - Physical Review A, 2024 - APS
We present an efficient approach for preparing ground states in the context of strongly
interacting local quantum field theories on quantum computers. The approach produces the …

SimuQ: A framework for programming quantum hamiltonian simulation with analog compilation

Y Peng, J Young, P Liu, X Wu - … of the ACM on Programming Languages, 2024 - dl.acm.org
Quantum Hamiltonian simulation, which simulates the evolution of quantum systems and
probes quantum phenomena, is one of the most promising applications of quantum …

Quantum simulation of SU (3) lattice Yang Mills theory at leading order in large n

AN Ciavarella, CW Bauer - arXiv preprint arXiv:2402.10265, 2024 - arxiv.org
A Hamiltonian lattice formulation of SU (3) gauge theory opens the possibility for quantum
simulations of the non-perturbative dynamics of QCD. By parametrizing the gauge invariant …

Optimization of algorithmic errors in analog quantum simulations

NA Zemlevskiy, HF Froland, S Caspar - Physical Review A, 2024 - APS
Analog quantum simulation is emerging as a powerful tool for uncovering classically
unreachable physics such as many-body real-time dynamics. A complete quantification of …

Continuous-variable quantum computation of the O(3) model in dimensions

RG Jha, F Ringer, G Siopsis, S Thompson - Physical Review A, 2024 - APS
We formulate the O (3) nonlinear sigma model in 1+ 1 dimensions as a limit of a three-
component scalar field theory restricted to the unit sphere in the large squeezing limit. This …

Toward quantum computations of the model using qumodes

RG Jha, F Ringer, G Siopsis, S Thompson - arXiv preprint arXiv …, 2023 - arxiv.org
We express the discrete 1+ 1-dimensional $ O (3) $ non-linear sigma model (NL $\sigma $
M) in a form well-suited for the continuous variable approach to quantum computing. Within …