API Reference

This section contains the complete API reference for QEpsilon.

API Documentation:

• Operator Basis Module
  • Two-Level System (TLS)
  • Bosonic Operators
  • Tight-Binding System
• Operator Group Module
  • Base Operator Group
  • Composed Operator Groups
  • Bosonic Operators
  • Tight-Binding Operators
  • Spin Operators
• System Module
  • Density Matrix
  • Pure Ensemble
  • Particles
• Simulation Module
  • Lindblad System
  • Unitary System
  • Mixed Unitary System
• Utilities Module
  • Constants
  • Utility Functions

Overview

QEpsilon’s API is organized into several modules:

• Operator Basis Module - Basic operator definitions (two level systems, bosons, tight-binding)

• Operator Group Module - Collections of operators (spins, fermions, bosons)

• System Module - Physical quantum systems (density matrices, pure states, particles)

• Simulation Module - Time evolution engines (Lindblad, unitary, mixed systems)

• Utilities Module - Helper functions and utilities

Quick Access

Most commonly used classes:

• qepsilon.simulation.LindbladSystem - Lindblad master equation evolution

• qepsilon.simulation.UnitarySystem - Unitary time evolution