Science ❯ Physics ❯ Quantum Mechanics
Josephson Junctions Cooper Pairs Quantum Tunneling Nobel Prize Macroscopic Quantum States Quantum Tunnelling Quantum Computing BCS Theory Superconducting Qubits Superconducting Materials Fermi-Hubbard Model Topological Superconductors Topological States
Helios reports 99.921% two‑qubit fidelity with on‑the‑fly error correction, enabling a 36‑fermion Fermi–Hubbard run that still awaits independent benchmarking.