Authors
Pavel P Popov, Michael Meth, Maciej Lewestein, Philipp Hauke, Martin Ringbauer, Erez Zohar, Valentin Kasper
Publication date
2024/2
Journal
Physical Review Research
Volume
6
Issue
1
Pages
013202
Publisher
American Physical Society
Description
Lattice gauge theories are fundamental to various fields, including particle physics, condensed matter, and quantum information theory. Recent progress in the control of quantum systems allows for studying Abelian lattice gauge theories in table-top experiments. However, several challenges remain, such as implementing dynamical fermions in higher spatial dimensions and magnetic field terms. Here, we map U(1) Abelian lattice gauge theories in arbitrary spatial dimensions onto qudit systems with local interactions. We propose a variational quantum simulation scheme for the qudit system with a local Hamiltonian, that can be implemented on a universal qudit quantum device as the one developed in [Nat. Phys. 18, 1053 (2022)]10.1038/s41567-022-01658-0. We describe how to implement the variational imaginary-time evolution protocol for ground-state preparation as well as the variational real-time evolution …
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