Users Guide

• Core Concepts
  • Frontends and Backends
  • Executors
  • Observables
  • Calibration
  • Benchmarking Circuits
  • Resource Requirements
• Zero-Noise Extrapolation
  • How do I use ZNE?
  • When should I use ZNE?
  • What additional options are available when using ZNE?
  • What happens when I use ZNE?
  • What is the theory behind ZNE?
• Probabilistic Error Cancellation
  • How do I use PEC?
  • When should I use PEC?
  • What additional options are available in PEC?
  • What happens when I use PEC?
  • What is the theory behind PEC?
• Clifford Data Regression
  • How do I use CDR?
  • When should I use CDR?
  • What additional options are available in CDR?
  • What happens when I use CDR?
  • What is the theory behind CDR?
• Digital Dynamical Decoupling
  • How do I use DDD?
  • When should I use DDD?
  • What additional options are available when using DDD?
  • What happens when I use DDD?
  • What is the theory behind DDD?
• Layerwise Richardson Extrapolation
  • How do I use LRE?
  • When should I use LRE?
  • What additional options are available when using LRE?
  • What happens when I use LRE?
  • What is the theory behind LRE?
• Readout-Error Mitigation
  • How do I use REM?
  • When should I use REM?
  • What additional options are available when using REM?
  • What happens when I use REM?
  • What is the theory behind REM?
• Twirled Readout Error eXtinction
  • How do I use TREX?
  • When should I use TREX?
  • What additional options are available when using TREX?
  • What happens when I use TREX?
  • What is the theory behind TREX?
• Quantum Subspace Expansion
  • How do I use QSE?
  • When should I use QSE?
  • What additional options are available in QSE?
  • What happens when I use QSE?
  • What is the theory behind QSE?
• Pauli Twirling
  • How do I use PT?
  • When should I use PT?
  • What additional options are available when using PT?
  • What happens when I use PT?
  • What is the theory behind Pauli Twirling?
• About Error Mitigation
  • What is quantum error mitigation?
  • Why is quantum error mitigation important?
  • Related fields
  • External References
• Glossary
  • QEM Methods

Experimental Techniques

The following techniques are available in mitiq.experimental and have unstable APIs that may change without notice. They are not covered by mitiq’s semantic versioning guarantees.

from mitiq import experimental  # FutureWarning will be emitted

• Virtual Distillation
  • What is VD?
  • How do I use VD?
  • When should I use VD?
  • What additional options are available when using VD?
  • What happens when I use VD?
  • What is the theory behind VD?
• Probabilistic Error Amplification
  • How do I use PEA?
  • When should I use PEA?
  • What additional options are available in PEA?
  • What happens when I use PEA?
  • What is the theory behind PEA?
• Classical Shadows
  • How Do I Use Classical Shadows Estimation?
  • What is the theory behind Classical Shadow Estimation