Material matters in superconducting qubits

CE Murray - Materials Science and Engineering: R: Reports, 2021 - Elsevier
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) …

Electromagnetic meson production in the nucleon resonance region

VD Burkert, TSH Lee - International Journal of Modern Physics E, 2004 - World Scientific
Recent experimental and theoretical advances in investigating electromagnetic meson
production reactions in the nucleon resonance region are reviewed. We give a description of …

Theory of RF superconductivity for resonant cavities

A Gurevich - Superconductor Science and Technology, 2017 - iopscience.iop.org
An overview of a theory of electromagnetic response of superconductors in strong radio-
frequency (RF) electromagnetic fields is given with the emphasis on applications to …

Two-level systems in superconducting quantum devices due to trapped quasiparticles

SE De Graaf, L Faoro, LB Ioffe, S Mahashabde… - Science …, 2020 - science.org
A major issue for the implementation of large-scale superconducting quantum circuits is the
interaction with interfacial two-level system (TLS) defects that lead to qubit parameter …

Shadow epitaxy for in situ growth of generic semiconductor/superconductor hybrids

DJ Carrad, M Bjergfelt, T Kanne, M Aagesen… - Advanced …, 2020 - Wiley Online Library
Uniform, defect‐free crystal interfaces and surfaces are crucial ingredients for realizing high‐
performance nanoscale devices. A pertinent example is that advances in gate‐tunable and …

Effect of high temperature heat treatments on the quality factor of a large-grain<? format?> superconducting radio-frequency niobium cavity

P Dhakal, G Ciovati, GR Myneni, KE Gray, N Groll… - Physical Review Special …, 2013 - APS
Large-grain Nb has become a viable alternative to fine-grain Nb for the fabrication of
superconducting radio-frequency cavities. In this contribution we report the results from a …

Tuning microwave losses in superconducting resonators

A Gurevich - Superconductor Science and Technology, 2023 - iopscience.iop.org
The performance of superconducting resonators, particularly cavities for particle
accelerators and micro cavities and thin film resonators for quantum computations and …

Vacancy dynamics in niobium and its native oxides and their potential implications for quantum computing and superconducting accelerators

M Wenskat, J Čižek, MO Liedke, M Butterling, M Stiehl… - Physical Review B, 2022 - APS
In recent years, superconducting radio-frequency (SRF) cavities have been considered as
candidates for qubits in quantum computing, showing longer photon lifetimes and, therefore …

Effect of vortex hotspots on the radio-frequency surface resistance of superconductors

A Gurevich, G Ciovati - Physical Review B—Condensed Matter and Materials …, 2013 - APS
We present detailed experimental and theoretical investigations of hotspots produced by
trapped vortex bundles and their effect on the radio-frequency (rf) surface resistance R s of …

High field slope and the baking effect: Review of recent experimental results and new data <?format ?>on Nb heat treatments

G Ciovati, G Myneni, F Stevie, P Maheshwari… - Physical Review Special …, 2010 - APS
The performance of superconducting radio-frequency (SRF) cavities made of bulk Nb at high
fields (peak surface magnetic field greater than about 90 mT) is characterized by …