nLab Josephson effect

Idea

(…)

Related concepts

• superconductor

References

General

See also:

• Wikipedia, Josephson effect

• Wikipedia, Pi Josephson junction

A review of the history of the discovery is here:

• Donald MacDonald, The Nobel Laureate versus The Graduate Student, Physics Today, July 2001 (pdf)

Superconducting qbits

On realizing qbits and quantum gates (hence quantum computation) via quantum states of magnetic flux through (Josephson junctions in) superconductors, manipulated via electromagnetic pulses:

• M. H. Devoret, A. Wallraff, J. M. Martinis, Superconducting Qubits: A Short Review $[$arXiv:cond-mat/0411174$]$

• John Clarke, Frank K. Wilhelm, Superconducting quantum bits, Nature 453 (2008) 1031–1042 $[$doi:10.1038/nature07128$]$

• Jerry Moy Chow, Quantum Information Processing with Superconducting Qubits (2010) $[$pdf$]$

• Jay M. Gambetta, Jerry M. Chow, Matthias Steffen, Building logical qubits in a superconducting quantum computing system, npj Quantum Information 3 2 (2017) $[$doi:10.1038/s41534-016-0004-0$]$

• Morten Kjaergaard et al. Superconducting Qubits: Current State of Play, Annual Review of Condensed Matter Physics 11 (2019) 369-395 $[$doi:10.1146/annurev-conmatphys-031119-050605$]$

• He-Liang Huang, Dachao Wu, Daojin Fan, Xiaobo Zhu, Superconducting Quantum Computing: A Review, Science China Information Sciences 63 8 (2020) 1-32 $[$arXiv:2006.10433, doi:10.1007/s11432-020-2881-9$]$

• S. Kwon et al., Gate-based superconducting quantum computing, Journal of Applied Physics 129 (2021) 041102 $[$doi:10.1063/5.0029735$]$

Fine detail of the pulse control:

• M. Werninghaus, D. J. Egger, F. Roy, S. Machnes, F. K. Wilhelm, S. Filipp: Leakage reduction in fast superconducting qubit gates via optimal control, npj Quantum Information 7 14 (2021) $[$doi:10.1038/s41534-020-00346-2$]$

• M. Carroll, S. Rosenblatt, P. Jurcevic, I. Lauer & A. Kandala. Dynamics of superconducting qubit relaxation times, npj Quantum Information 8 132 (2022) $[$doi:10.1038/s41534-022-00643-y$]$

• Elisha Siddiqui Matekole, Yao-Lung L. Fang, Meifeng Lin, Methods and Results for Quantum Optimal Pulse Control on Superconducting Qubit Systems, 2022 IEEE International Parallel and Distributed Processing Symposium Workshops (2022) $[$arXiv:2202.03260, doi:10.1109/IPDPSW55747.2022.00102$]$

Corrections due to quasiparticle-excitations:

• Leonid I. Glazman, Gianluigi Catelani, Bogoliubov Quasiparticles in Superconducting Qubits, SciPost Phys. Lect. Notes 31 (2021) [arXiv:2003.04366, doi:10.21468/SciPostPhysLectNotes.31]