Transforming stand-alone qubits into a functional, general-purpose quantum processing unit
requires an architecture where many-body quantum entanglement can be generated and …

The progress witnessed within the field of quantum computing has been enabled by the
identification and understanding of interactions between the state of the quantum bit (qubit) …

Quantum computing promises to offer substantial speed-ups over its classical counterpart for
certain problems. However, the greatest impediment to realizing its full potential is noise that …

Future quantum computers capable of solving relevant problems will require a large number
of qubits that can be operated reliably. However, the requirements of having a large qubit …

Noise in quantum computers can result in biased estimates of physical observables.
Accurate bias-free estimates can be obtained using probabilistic error cancellation, an error …

Noise in existing quantum processors only enables an approximation to ideal quantum
computation. However, for the computation of expectation values, these approximations can …

Fixed-frequency transmon quantum computers (QCs) have advanced in coherence times,
addressability, and gate fidelities. Unfortunately, these devices are restricted by the number …

Programmable quantum simulators may one day outperform classical computers at certain
tasks. But at present, the range of viable applications with noisy intermediate-scale quantum …

Superconducting qubits are a leading candidate for quantum computing but display
temporal fluctuations in their energy relaxation times T 1. This introduces instabilities in multi …

From the perspective of many-body physics, the transmon qubit architectures currently
developed for quantum computing are systems of coupled nonlinear quantum resonators. A …