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Atomic-scale tailoring of spin susceptibility via non-magnetic spin-orbit impurities
F. N. Womack, P. W. Adams, Hyoungdo Nam +2
Following the discovery of topological insulators, there has been a renewed interest in superconducting systems that have strong spin-orbit (SO) coupling. Here we address the funda…
Interplay between kinetic inductance, non-linearity and quasiparticle dynamics in granular aluminum MKIDs
Francesco Valenti, Fábio Henriques, Gianluigi Catelani +13
Microwave kinetic inductance detectors (MKIDs) are thin film, cryogenic, superconducting resonators. Incident Cooper pair-breaking radiation increases their kinetic inductance, the…
Non-equilibrium quasiparticles in superconducting circuits: photons vs. phonons
G. Catelani, D. M. Basko
We study the effect of non-equilibrium quasiparticles on the operation of a superconducting device (a qubit or a resonator), including heating of the quasiparticles by the device o…
Dissipation by normal-metal traps in transmon qubits
Roman-Pascal Riwar, Leonid I. Glazman, Gianluigi Catelani
Quasiparticles are an intrinsic source of relaxation and decoherence for superconducting qubits. Recent works have shown that normal-metal traps may be used to evacuate quasipartic…
Quasiparticle dynamics in granular aluminum close to the superconductor to insulator transition
Lukas Grünhaupt, Nataliya Maleeva, Sebastian T. Skacel +7
Superconducting high kinetic inductance elements constitute a valuable resource for quantum circuit design and millimeter-wave detection. Granular aluminum (GrAl) in the supercondu…