Non-equilibrium quasiparticles in superconducting circuits: photons vs. phonons

Abstract

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 operation. Focusing on the competition between heating via low-frequency photon absorption and cooling via photon and phonon emission, we obtain a remarkably simple non-thermal stationary solution of the kinetic equation for the quasiparticle distribution function. We estimate the influence of quasiparticles on relaxation and excitation rates for transmon qubits, and relate our findings to recent experiments.

21 pages, 6 figures

References in corpus (14)

• Measurement and Control of Quasiparticle Dynamics in a Superconducting Qubit
• Implementation of low-loss superinductances for quantum circuits
• Hot non-equilibrium quasiparticles in transmon qubits
• Quasiparticle dynamics in granular aluminum close to the superconductor to insulator transition
• Resonantly phase-matched Josephson junction traveling wave parametric amplifier
• Thermal and Residual Excited-State Population in a 3D Transmon Qubit
• Quasiparticle relaxation of superconducting qubits in the presence of flux
• Suppressing relaxation in superconducting qubits by quasiparticle pumping
• Non-Poissonian Quantum Jumps of a Fluxonium Qubit due to Quasiparticle Excitations
• Heat Coulomb Blockade of One Ballistic Channel
• Optimal configurations for normal-metal traps in transmon qubits
• Effect of Quasiparticles Injection on the AC Response of a Superconductor
• Josephson parametric reflection amplifier with integrated directionality
• Dissipation in a superconducting artificial atom due to a single non-equilibrium quasiparticle

Cited by in corpus (17)

• Direct Dispersive Monitoring of Charge Parity in Offset-Charge-Sensitive Transmons
• Photon-assisted charge-parity jumps in a superconducting qubit
• Bogoliubov Quasiparticles in Superconducting Qubits
• Coexistence of nonequilibrium density and equilibrium energy distribution of quasiparticles in a superconducting qubit
• Quasiparticles in superconducting qubits with asymmetric junctions
• Using materials for quasiparticle engineering
• Half-integer Shapiro steps in highly transmissive InSb nanoflag Josephson junctions
• Heat dissipation mechanisms in hybrid superconductor-semiconductor devices revealed by Joule spectroscopy
• Nonequilibrium quasiparticle distribution in superconducting resonators: analytical approach
• Nonequilibrium quasiparticle distribution in superconducting resonators: effect of pair-breaking photons
• Nonequilibrium regimes for quasiparticles in superconducting qubits with gap-asymmetric junctions
• Power and temperature dependent model for High Q superconductors
• Theory of quasiparticle-induced errors in driven-dissipative Schrödinger cat qubits
• Excess quasiparticles and their dynamics in the presence of subgap states
• Volume dependence of microwave induced excess quasiparticles in superconducting resonators
• Nonclassical radiation from a nonlinear oscillator driven solely by classical $1/f$ noise
• Local bistability under microwave heating for spatially mapping disordered superconductors