Examples#

# Entropy Calculation for Kondo Impurity Model

Calculates the entropy of a Kondo impurity system using NRG, demonstrating temperature-dependent thermodynamic properties and the emergence of the Kondo screening cloud.

# Entropy Calculation for Single Impurity Anderson Model (SIAM)

Computes entropy for the SIAM using NRG, illustrating the metal-insulator transition and many-body effects across different interaction strengths.

# Frequency-Dependent Spectrum of SIAM using FDM

Calculates spectral properties of a single impurity Anderson model using Frequency-Dependent Mapping (FDM), providing high-resolution spectral functions.

# Frequency-Dependent Spectrum of Two-Channel System using FDM

Demonstrates frequency-dependent mapping for a two-channel quantum impurity system, highlighting channel-dependent spectral features and interference effects.

# Free Fermionic Model

Simple non-interacting free fermion system used as a baseline test case to validate NRG algorithms and computational framework functionality.

# Rabi Oscillations in Anderson Coupling Model

Explores time-dependent Rabi oscillations in Anderson-coupled systems, demonstrating coherent quantum dynamics and coupling strength effects.

# Resonant Single Level Coupled to Leads

Studies a resonant level weakly coupled to electronic leads, demonstrating Kondo-like physics and transport properties in a minimal model.

# Renormalization Group Flow for Kondo Impurity

Analyzes the RG flow trajectory and scaling behavior in Kondo systems, tracking the flow from high-energy weak-coupling to low-energy strong-coupling regimes.

# Renormalization Group Flow for Single Impurity Anderson Model

Computes RG flow evolution for SIAM across different parameters, demonstrating the transition between weak and strong coupling phases of the model.

# Two-Channel Single Impurity Anderson Model

Implements SIAM with two conducting channels coupled to a single quantum impurity, exhibiting non-Fermi liquid behavior and exotic phase transitions.