Signal crosstalk in a flip-chip quantum processor

S Kosen, HX Li, M Rommel, R Rehammar, M Caputo… - PRX Quantum, 2024 - APS
Quantum processors require a signal-delivery architecture with high addressability (low
crosstalk) to ensure high performance already at the scale of dozens of qubits. Signal …

Probing site-resolved current in strongly interacting superconducting circuit lattices

B Du, R Suresh, S López, J Cadiente, R Ma - Physical Review Letters, 2024 - APS
Transport measurements are fundamental for understanding condensed matter phenomena,
from superconductivity to the fractional quantum Hall effect. Analogously, they can be …

Thermalization and criticality on an analog-digital quantum simulator

TI Andersen, N Astrakhantsev, AH Karamlou… - arxiv preprint arxiv …, 2024 - arxiv.org
Understanding how interacting particles approach thermal equilibrium is a major challenge
of quantum simulators. Unlocking the full potential of such systems toward this goal requires …

A synthetic magnetic vector potential in a 2D superconducting qubit array

IT Rosen, S Muschinske, CN Barrett, A Chatterjee… - Nature Physics, 2024 - nature.com
Superconducting quantum processors are a compelling platform for analogue quantum
simulation due to the precision control, fast operation and site-resolved readout inherent to …

[HTML][HTML] Superconducting quantum simulation for many-body physics beyond equilibrium

Y Yao, L **ang - Entropy, 2024 - mdpi.com
Quantum computing is an exciting field that uses quantum principles, such as quantum
superposition and entanglement, to tackle complex computational problems …

Probing spin hydrodynamics on a superconducting quantum simulator

YH Shi, ZH Sun, YY Wang, ZA Wang, YR Zhang… - Nature …, 2024 - nature.com
Characterizing the nature of hydrodynamical transport properties in quantum dynamics
provides valuable insights into the fundamental understanding of exotic non-equilibrium …

Learning-based calibration of flux crosstalk in transmon qubit arrays

CN Barrett, AH Karamlou, SE Muschinske, IT Rosen… - Physical Review …, 2023 - APS
Superconducting quantum processors comprising flux-tunable data and coupler qubits are a
promising platform for quantum computation. However, magnetic flux crosstalk between the …

Observation of minimal and maximal speed limits for few and many-body states

Z Zhu, L Gao, Z Bao, L **ang, Z Song, S Xu… - Nature …, 2025 - nature.com
Tracking the time evolution of a quantum state allows one to verify the thermalization rate or
the propagation speed of correlations in generic quantum systems. Inspired by the energy …

Eliminating Surface Oxides of Superconducting Circuits with Noble Metal Encapsulation

RD Chang, N Shumiya, RA McLellan, Y Zhang… - arxiv preprint arxiv …, 2024 - arxiv.org
The lifetime of superconducting qubits is limited by dielectric loss, and a major source of
dielectric loss is the native oxide present at the surface of the superconducting metal …

Probing Entanglement Scaling Across a Quantum Phase Transition on a Quantum Computer

Q Miao, T Wang, KR Brown, T Barthel… - arxiv preprint arxiv …, 2024 - arxiv.org
The investigation of strongly-correlated quantum matter is challenging due to the curse of
dimensionality and complex entanglement structures. This complexity is especially …