G4CMP: Condensed Matter Physics Simulation Using the Geant4 Toolkit

Abstract

G4CMP simulates phonon and charge transport in cryogenic semiconductor crystals using the Geant4 toolkit. The transport code is capable of simulating the propagation of acoustic phonons as well as electron and hole charge carriers. Processes for anisotropic phonon propagation, oblique charge-carrier propagation, and phonon emission by accelerated charge carriers are included. The simulation reproduces theoretical predictions and experimental observations such as phonon caustics, heat-pulse propagation times, and mean charge-carrier drift velocities. In addition to presenting the physics and features supported by G4CMP, this report outlines example applications from the dark matter and quantum information science communities. These communities are applying G4CMP to model and design devices for which the energy transported by phonons and charge carriers is germane to the performance of superconducting instruments and circuits placed on silicon and germanium substrates. The G4CMP package is available to download from GitHub: github.com/kelseymh/G4CMP.

arXiv comment21 pages, 11 figures, 10 tables

References in corpus (21)

• Superconducting nanowire single-photon detectors: physics and applications
• Results from the Final Exposure of the CDMS II Experiment
• First Dark Matter Constraints from a SuperCDMS Single-Charge Sensitive Detector
• Projected Sensitivity of the SuperCDMS SNOLAB experiment
• Correlated Charge Noise and Relaxation Errors in Superconducting Qubits
• Resolving catastrophic error bursts from cosmic rays in large arrays of superconducting qubits
• Constraints on low-mass, relic dark matter candidates from a surface-operated SuperCDMS single-charge sensitive detector
• Light Dark Matter Search with a High-Resolution Athermal Phonon Detector Operated Above Ground
• Phonon-Mediated Quasiparticle Poisoning of Superconducting Microwave Resonators
• Ionization Yield in Silicon for eV-Scale Electron-Recoil Processes
• Phonon downconversion to suppress correlated errors in superconducting qubits
• Thermal detection of single e-h pairs in a biased silicon crystal detector
• Absolute measurement of the Fano factor using a Skipper-CCD
• Charge of a quasiparticle in a superconductor
• Design and Characterization of a Phonon-Mediated Cryogenic Particle Detector with an eV-Scale Threshold and 100 keV-Scale Dynamic Range
• Spatial Imaging of Charge Transport in Silicon at Low Temperature
• Measuring the Impact Ionization and Charge Trapping Probabilities in SuperCDMS HVeV Phonon Sensing Detectors
• Maximum Likelihood Analysis of Low Energy CDMS II Germanium Data
• Semiconductor phonon and charge transport Monte Carlo simulation using Geant4
• Directional Detection of Light Dark Matter in Superconductors
• Oblique propagation of electrons in crystals of germanium and silicon at sub-Kelvin temperature in low electric fields

Cited by in corpus (10)

• Resisting high-energy impact events through gap engineering in superconducting qubit arrays
• Modeling phonon-mediated quasiparticle poisoning in superconducting qubit arrays
• Performance of a Kinetic Inductance Phonon-Mediated Detector at the NEXUS Cryogenic Facility
• Abatement of Ionizing Radiation for Superconducting Quantum Devices
• Estimating the Energy Threshold of Phonon-mediated Superconducting Qubit Detectors Operated in an Energy-Relaxation Sensing Scheme
• Improved Modelling of Detector Response Effects in Phonon-based Crystal Detectors used for Dark Matter Searches
• First demonstration of a TES based cryogenic Li${}_2$MoO${}_4$detector for neutrinoless double beta decay search
• Low-Energy Calibration of SuperCDMS HVeV Cryogenic Silicon Calorimeters Using Compton Steps
• Modeling Athermal Phonons in Novel Materials using the G4CMP Simulation Toolkit
• Performance of a SuperCDMS HVeV Detector with Sub-eV Energy Resolution and Single Charge-sensitivity