Template Class fdmSpectrum

• Defined in File fdmSpectrum.hpp

Class Documentation

template<typename nrgcore_type>
class fdmSpectrum

Calculates the spectral function using the FDM (Full Density Matrix) approach.

This class computes the spectral weights and reduced density matrices for a given NRG core object.

Template Parameters:

nrgcore_type – The type of the NRG core object.

Public Functions

inline explicit fdmSpectrum(nrgcore_type *t_nrg_object)

Constructs the fdmSpectrum object.

Parameters:

t_nrg_object – Pointer to the NRG core object.

inline void setup(nrgcore_type *t_nrg_object)

Sets up the FDM spectrum calculation.

Parameters:

t_nrg_object – Pointer to the NRG core object.

inline void calcSpectrum(double energyScale)

Calculates the spectral function.

Parameters:

energyScale – The energy scale for rescaling.

inline void setReduceDensityMatrix()

inline void setLocalPartitionFunction()

inline void setRhoZero()

inline void rhoDotOperators()

inline void setTemperature(double at)

inline void setCurrentIndex()

inline void setOperator(std::vector<qOperator> *bopr, std::vector<qOperator> *aopr = nullptr)

template<typename filetype>
inline void saveFinalData(filetype *pfile)

Saves the final spectral data to a file.

Template Parameters:

filetype – The type of the file object.

Parameters:

pfile – Pointer to the file object.

Public Members

std::vector<std::vector<double>> BoltzmannFactor

std::vector<std::vector<size_t>> currentKeptIndex

std::vector<qmatrix<>> rhoZero

std::vector<qOperator> *aOperator = {}

std::vector<qOperator> *bOperator = {}

bool lastiteration = {true}

double energyRescale = {1}

double energyErrorBar = {1e-5}