Quantum error thresholds for gauge-redundant digitizations of lattice field theories

M Carena, H Lamm, YY Li, W Liu - Physical Review D, 2024 - APS
In the quantum simulation of lattice gauge theories, gauge symmetry can be either fixed or
encoded as a redundancy of the Hilbert space. While gauge-fixing reduces the number of …

Synthetic gauge theories based on parametric excitations of trapped ions

O Bǎzǎvan, S Saner, E Tirrito, G Araneda… - Communications …, 2024 - nature.com
Resource efficient schemes for the quantum simulation of lattice gauge theories can benefit
from hybrid encodings of gauge and matter fields that use the native degrees of freedom …

Demonstrating Path-Independent Anyonic Braiding on a Modular Superconducting Quantum Processor

J Niu, Y Li, L Zhang, J Zhang, J Chu, J Huang… - Physical Review Letters, 2024 - APS
Anyons, exotic quasiparticles in two-dimensional space exhibiting nontrivial exchange
statistics, play a crucial role in universal topological quantum computing. One notable …

Thermodynamic sensing of quantum nonlinear noise correlations

N Meher, T Opatrný, G Kurizki - Quantum Science and …, 2024 - iopscience.iop.org
We put forth the concept of quantum noise sensing in nonlinear two-mode interferometers
coupled to mechanical oscillators. These autonomous machines are capable of sensing …

Fault-tolerant simulation of Lattice Gauge Theories with gauge covariant codes

L Spagnoli, A Roggero, N Wiebe - arXiv preprint arXiv:2405.19293, 2024 - arxiv.org
We show in this paper that a strong and easy connection exists between quantum error
correction and Lattice Gauge Theories (LGT) by using the Gauge symmetry to construct an …

Floquet expansion by counting pump photons

K Seibold, O Ameye, O Zilberberg - arXiv preprint arXiv:2404.09704, 2024 - arxiv.org
Periodically-driven systems engender a rich competition between the time scales of the
drives and those of the system, leading to a limited ability to describe the system in full. We …

Synthetic gauge theories based on parametric excitations of trapped ions

O Băzăvan, S Saner, E Tirrito, G Araneda… - arXiv preprint arXiv …, 2023 - arxiv.org
We present a detailed scheme for the analog quantum simulation of Z2 gauge theories in
crystals of trapped ions, which exploits a more efficient hybrid encoding of the gauge and …