Innovating quantum computers with fluxonium processors

https://phys.org/news/2023-04-quantum-fluxonium-processors.html

"fault-tolerant universal high-coherence superconducting qubits outperform... less overlap between frequencies control any given qubit to higher energy levels.... high anharmonicity, long coherence times... scalability... increase runtime and fidelity... controlling fluxonium qubits at low frequency.. fluxonium circuit capacitor, Josephson Junction, and superinductor... evade decoherence due to material imperfections... cross-resonance controlled-NOT and differential ac-Stark controlled-Z logic gates"

Related: Study finds a solution to longstanding problem of ultrafast valley decoherence

https://phys.org/news/2023-07-solution-longstanding-problem-ultrafast-valley.html