Low- and high-frequency noise from coherent two-level systems

Abstract

Recent experiments indicate a connection between the low- and high-frequency noise affecting superconducting quantum systems. We explore the possibilities that both noises can be produced by one ensemble of microscopic modes, made up, e.g., by sufficiently coherent two-level systems (TLS). This implies a relation between the noise power in different frequency domains, which depends on the distribution of the parameters of the TLSs. We show that a distribution, natural for tunneling TLSs, with a log-uniform distribution in the tunnel splitting and linear distribution in the bias, accounts for experimental observations.

minor corrections, references added

References in corpus (12)

• Manipulating the Quantum State of an Electrical Circuit
• Decoherence in Josephson Qubits from Junction Resonances
• Decoherence and 1/f noise in Josephson qubits
• Charge echo in a Cooper-pair box
• Double Quantum Dots as Detectors of High-Frequency Quantum Noise in Mesoscopic Conductors
• Quantum noise in the Josephson charge qubit
• Continuous weak measurement of quantum coherent oscillations
• Decoherence in Josephson-junction qubits due to critical current fluctuations
• Noise and decoherence in quantum two-level systems
• Low-Temperature Dephasing in Disordered Conductors: the Effect of ``1/f'' Fluctuations
• Output spectrum of a measuring device at arbitrary voltage and temperature
• Low-frequency noise in tunneling through a single spin

Cited by in corpus (126)

• A Quantum Engineer's Guide to Superconducting Qubits
• Dynamical decoupling and noise spectroscopy with a superconducting flux qubit
• Decoherence in Josephson Qubits from Dielectric Loss
• Coherent Josephson qubit suitable for scalable quantum integrated circuits
• 1/f noise: implications for solid-state quantum information
• The Flux Qubit Revisited to Enhance Coherence and Reproducibility
• How to Enhance Dephasing Time in Superconducting Qubits
• Towards understanding two-level-systems in amorphous solids -- Insights from quantum circuits
• Dissipation and Ultrastrong Coupling in Circuit QED
• Fast Reset and Suppressing Spontaneous Emission of a Superconducting Qubit
• Microwave Dielectric Loss at Single Photon Energies and milliKelvin Temperatures
• Correlating decoherence in transmon qubits: Low frequency noise by single fluctuators
• 1/f Flux Noise in Josephson Phase Qubits
• Decoherence in Solid State Qubits
• Noise Properties of Superconducting Coplanar Waveguide Microwave Resonators
• Sensing of Fluctuating Nanoscale Magnetic Fields Using NV Centres in Diamond
• Decoherence in qubits due to low-frequency noise
• Dispersive measurements of superconducting qubit coherence with a fast, latching readout
• Quantum systems under frequency modulation
• Rotating-frame relaxation as a noise spectrum analyzer of a superconducting qubit undergoing driven evolution
• Interacting two-level defects as sources of fluctuating high-frequency noise in superconducting circuits
• Motional Averaging in a Superconducting Qubit
• Robust optimal quantum gates for Josephson charge qubits
• Lifetime and Coherence of Two-Level Defects in a Josephson Junction
• Environmental noise spectroscopy with qubits subjected to dynamical decoupling
• Moving beyond the transmon: Noise-protected superconducting quantum circuits
• Memory-keeping effects and forgetfulness in the dynamics of a qubit coupled to a spin chain
• Fabrication and heating rate study of microscopic surface electrode ion traps
• Qubit metrology of ultralow phase noise using randomized benchmarking
• Probing Noise in Flux Qubits via Macroscopic Resonant Tunneling
• Entanglement dynamics in chains of qubits with noise and disorder
• Temperature square dependence of the low frequency 1/f charge noise in the Josephson junction qubits
• Quantum two level systems and Kondo-like traps as possible sources of decoherence in superconducting qubits
• Geometrical spin dephasing in quantum dots
• Polaronic model of Two Level Systems in amorphous solids
• Damping and decoherence of a nanomechanical resonator due to a few two level systems
• Single crystal silicon capacitors with low microwave loss in the single photon regime
• Rabi oscillations in a qubit coupled to a quantum two-level system
• Low-frequency Noise in Josephson Junctions for Superconducting Qubits
• Decoherence of a qubit due to a quantum fluctuator or to a classical telegraph noise
• Microscopic Model of Critical Current Noise in Josephson Junctions
• Macroscopic Einstein-Podolsky-Rosen pairs in superconducting circuits
• Quantum decoherence of a charge qubit in a spin-fermion model
• Delocalised oxygen as the origin of two-level defects in Josephson junctions
• The Hidden Phase of the Spin-Boson Model
• Phase-Coherent Dynamics of a Superconducting Flux Qubit with Capacitive-Bias Readout
• Decoherence of spin qubits due to a nearby charge fluctuator in gate-defined double dots
• Characterization of coherent impurity effects in solid state qubits
• Advanced control with a Cooper-pair box: stimulated Raman adiabatic passage and Fock-state generation in a nanomechanical resonator
• Saturation of Two Level Systems and Charge Noise in Josephson Junction Qubits
• Relaxation of Josephson qubits due to strong coupling to two-level systems
• Multi-level Spectroscopy of Two-Level Systems Coupled to a dc SQUID Phase Qubit
• Realization of a Carbon-Nanotube-Based Superconducting Qubit
• Microscopic model of critical current noise in Josephson-junction qubits: Subgap resonances and Andreev bound states
• Ohmic and step noise from a single trapping center hybridized with a Fermi sea
• Slow noise processes in superconducting resonators
• A Josephson Junction Microscope for Low-frequency Fluctuators
• Extending comb-based spectral estimation to multiaxis quantum noise
• Equivalent qubit dynamics under classical and quantum noise
• Probing a composite spin-boson environment
• Entanglement and Quantum Error Correction with Superconducting Qubits
• Stochastic Bloch-Redfield theory: quantum jumps in a solid-state environment
• Positive- and negative-frequency noise from an ensemble of two-level fluctuators
• Relaxation of a qubit measured by a driven Duffing oscillator
• Dimensional transformation of defect-induced noise, dissipation, and nonlinearity
• Finite size bath in qubit thermodynamics
• Constructing ab initio models of ultra-thin Al-AlOx-Al barriers
• Identification of strong and weak interacting two level systems in KBr:CN
• Stabilizing and improving qubit coherence by engineering noise spectrum of two-level systems
• Decoherence dynamics of a qubit coupled to a quantum two-level system
• Simulation of 1/f charge noise affecting a quantum dot in a Si/SiGe structure
• Looping on the Bloch sphere: Oscillatory effects in dephasing of qubits subject to broad-spectrum noise
• Atomic delocalisation as a microscopic origin of two-level defects in Josephson junctions
• Dynamics of the spin-boson model: the effect of bath initial conditions
• Modeling Flux Noise in SQUIDs Due to Hyperfine Interactions
• Indications of a soft cutoff frequency in the charge noise of a Si/SiGe quantum dot spin qubit
• Dissipationless dynamics of randomly coupled spins at high temperatures
• Resonance inversion in a superconducting cavity coupled to artificial atoms and a microwave background
• Correcting low-frequency noise with continuous measurement
• Effect of bath temperature on the quantum decoherence
• Influence of two-level fluctuators on adiabatic passage techniques
• Real-time simulation of flux qubits used for quantum annealing
• Non-Markovian transient spectroscopy in cavity QED
• Qubit quantum-dot sensors: noise cancellation by coherent backaction, initial slips, and elliptical precession
• Noise and microresonance of critical current in Josephson junction induced by Kondo trap states
• Structured environments in solid state systems: crossover from Gaussian to non-Gaussian behavior
• Correlated transport through junction arrays in the small Josephson energy limit: incoherent Cooper-pairs and hot electrons
• Detection of temporal fluctuation in superconducting qubits for quantum error mitigation
• Loss of quantum coherence due to non-stationary glass fluctuations
• Probing internal bath dynamics by a Rabi oscillator-based detector
• Correlations of spin splitting and orbital fluctuations due to 1/f charge noise in the Si/SiGe Quantum Dot
• Modeling of Low and High Frequency Noise by Slow and Fast Fluctuators
• Design of a Cooper pair box electrometer for application to solid-state and astroparticle physics
• High-Order Qubit Dephasing at Sweet Spots by Non-Gaussian Fluctuators: Symmetry Breaking and Floquet Protection
• Effects of external driving on the coherence time of a Josephson junction qubit in a bath of two level fluctuators
• Dephasing of planar Ge hole spin qubits due to 1/$\text{f}$ charge noise
• Realistic quantum manipulation of two-level system fluctuators
• Open quantum dynamics theory for a complex subenvironment system with a quantum thermostat: Application to a spin heat bath
• Correlated Dephasing Noise in Single-photon Scattering
• Spin dephasing due to a random Berry phase
• $GHZ$ state generation of three Josephson qubits in presence of bosonic baths
• Diagrammatic description of a system coupled strongly to a bosonic bath
• Dissipative Landau-Zener tunneling in the crossover regime from weak to strong environment coupling
• Manifold algorithmic errors in quantum computers with static internal imperfections
• Coupling mechanism between microscopic two-level system and superconducting qubits
• Implementing Genuine Multi-Qubit Entanglement of Two-Level-System Inside a Superconducting Phase Qubit
• Optimized Cooper pair pumps
• Influence of External Fields and Environment on the Dynamics of Phase Qubit-Resonator System
• Damping and decoherence of Fock states in a nanomechanical resonator due to two level systems
• Generalized fast quasi-adiabatic population transfer for improved qubit readout, shuttling, and noise mitigation
• Time-dependent universal conductance fluctuations in mesoscopic Au wires: implications
• Dark Periods in Rabi Oscillations of Superconducting Phase Qubit Coupled to a Microscopic Two-Level System
• The strain gap in a system of weakly and strongly interacting two-level systems
• Decay of nonlocality due to adiabatic and quantum noise in the solid state
• Vantablack Shielding of Superconducting Qubit Systems
• Noise properties of a Josephson parametric oscillator
• Low barrier ZrO${}_x$-based Josephson junctions
• A Controllable Interaction between Two-Level Systems inside a Josephson Junction
• A 3D investigation of delocalised oxygen two-level defects in Josephson junctions
• Persistence of Quantum Information
• Improving quantum annealing by engineering the coupling to the environment
• Visualizing dissipative charge carrier dynamics at the nanoscale with superconducting charge qubit microscopy
• Model for 1/f Flux noise in Superconducting Aluminum Devices: Impact of External Magnetic Fields
• Effect of Etching Methods on Dielectric Losses in Transmons
• Dynamic phases induced by two-level system defects on driven qubits
• Thermal cycling -- evidence for a generalized tunneling model and a tool to distinguish noise sources in quantum circuits