Quasiparticle trapping, Andreev level population dynamics, and charge imbalance in superconducting weak links
arXiv:1407.7991 · doi:10.1103/PhysRevB.90.104508
Abstract
We present a comprehensive theoretical framework for the Andreev bound state population dynamics in superconducting weak links. Contrary to previous works, our approach takes into account the generated nonequilibrium distribution of the continuum quasiparticle states in a self-consistent way. As application of our theory, we show that the coupling of the superconducting contact to environmental phase fluctuations induces a charge imbalance of the continuum quasiparticle population. This imbalance is due to the breaking of the left-right symmetry in the rates connecting continuum quasiparticles and the Andreev bound state system, and causes a quasiparticle current on top of the Josephson current in a ring geometry. We evaluate the phase dependence of the quasiparticle current for realistic choices of the model parameters. Our theory also allows one to analyze the quantum coherent evolution of the system from an arbitrary initial state.
arXiv comment12 pages, 6 figures, final version (minor changes) to appear in PRB
References in corpus (24)
- Quantum properties of atomic-sized conductors
- Majorana qubit decoherence by quasiparticle poisoning
- Josephson and Andreev transport through quantum dots
- Millisecond charge-parity fluctuations and induced decoherence in a superconducting qubit
- Nonequilibrium quasiparticles and periodicity in single-Cooper-pair transistors
- Relaxation and frequency shifts induced by quasiparticles in superconducting qubits
- Exciting Andreev pairs in a superconducting atomic contact
- Andreev Level Qubit
- Andreev quantum dots for spin manipulation
- Coulomb stability of the 4π-periodic Josephson effect of Majorana fermions
- Evidence for long-lived quasiparticles trapped in superconducting point contacts
- Energy decay and frequency shift of a superconducting qubit from non-equilibrium quasiparticles
- Thermal noise in superconducting quantum point-contacts
- Supercurrent Spectroscopy of Andreev States
- Excitation of superconducting qubits from hot non-equilibrium quasiparticles
- Charge imbalance in superconductors in the low-temperature limit
- Dynamics of quasiparticle trapping in Andreev levels
- Single Quasiparticle Trapping in Aluminum Nanobridge Josephson Junctions
- Dynamics and phonon-induced decoherence of Andreev level qubit
- Frequency-dependent admittance of a short superconducting weak link
- Controlled dephasing of Andreev states in superconducting quantum point-contacts
- Theory of microwave spectroscopy of Andreev bound states with a Josephson junction
- Spin-blockade qubit in a superconducting junction
- Nonlocal supercurrent in mesoscopic multiterminal SNS Josephson junction in the low-temperature limit
Cited by in corpus (24)
- Coherent manipulation of Andreev states in superconducting atomic contacts
- Parity lifetime of bound states in a proximitized semiconductor nanowire
- Direct microwave measurement of Andreev-bound-state dynamics in a proximitized semiconducting nanowire
- Signatures of topological Josephson junctions
- Andreev spin qubits in multichannel Rashba nanowires
- Microwave signatures of Majorana states in a topological Josephson junction
- A gate-tunable, field-compatible fluxonium
- Circuit-QED with phase-biased Josephson weak links
- From adiabatic to dispersive readout of quantum circuits
- Quench dynamics in superconducting nanojunctions: metastability and dynamical Yang-Lee zeros
- Zeeman and spin-orbit effects in the Andreev spectra of nanowire junctions
- Andreev bound states formation and quasiparticle trapping in quench dynamics revealed by time-dependent counting statistics
- Kondo physics from quasiparticle poisoning in Majorana devices
- Josephson effect in topological superconducting rings coupled to a microwave cavity
- Dynamical parity selection in superconducting weak links
- Nonreciprocal charge transport and subharmonic structure in voltage-biased Josephson diodes
- Green's Function Approach to Josephson Dot Dynamics and Application to Quantum Mpemba Effects
- Nonreciprocal Josephson linear response
- Nonequilibrium Andreev bound states population in short superconducting junctions coupled to a resonator
- Many-body quantum dynamics of spin-orbit coupled Andreev states in a Zeeman field
- Strong effects of weak ac driving in short superconducting junctions
- Error threshold in active steering protocols for few-qubit systems
- Unified scattering approach to Josephson current and thermal noise in BCS and topological superconducting junctions
- Interplay between evanescent scattering modes and finite dispersion in superconducting junctions