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

Currently available superconducting quantum processors with interconnected transmon
qubits are noisy and prone to various errors. The errors can be attributed to sources such as …

The development of noisy intermediate-scale quantum devices has extended the scope of
executable quantum circuits with high-fidelity single-and two-qubit gates. Equipping these …

Maintaining or even improving gate performance with growing numbers of parallel
controlled qubits is a vital requirement for fault-tolerant quantum computing. For …

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

Quantum simulations of lattice gauge theories for the foreseeable future will be hampered by
limited resources. The historical success of improved lattice actions in classical simulations …

The SWAP network is a qubit routing sequence that can be used to efficiently execute the
Quantum Approximate Optimization Algorithm (QAOA). Even with a minimally connected …

Fixed-frequency superconducting quantum processors are one of the most mature quantum
computing architectures with high-coherence qubits and simple controls. However, high …

Unwanted ZZ interaction is a quantum-mechanical crosstalk phenomenon which correlates
qubit dynamics and is ubiquitous in superconducting qubit systems. It adversely affects the …

Large scale quantum computing motivates the invention of two-qubit gate schemes that not
only maximize the gate fidelity but also draw minimal resources. In the case of …