tardis.plasma.equilibrium.rates.photoionization_strengths module¶
- class tardis.plasma.equilibrium.rates.photoionization_strengths.AnalyticPhotoionizationCoeffSolver(photoionization_cross_sections)[source]¶
 Bases:
SpontaneousRecombinationCoeffSolver- calculate_mean_intensity_photoionization_df(dilute_blackbody_radiationfield_state)[source]¶
 Calculates the mean intensity of the radiation field at each photoionization frequency.
- Parameters:
 - dilute_blackbody_radiationfield_stateDilutePlanckianRadiationField
 The radiation field.
- Returns:
 - pd.DataFrame
 DataFrame of mean intensities indexed by photoionization levels and columns of cells.
- calculate_photoionization_rate_coeff(mean_intensity_photoionization_df)[source]¶
 Calculate the photoionization rate coefficient.
- Parameters:
 - dilute_blackbody_radiationfield_stateDiluteBlackBodyRadiationFieldState
 A dilute black body radiation field state.
- Returns:
 - pd.DataFrame
 The calculated photoionization rate coefficient.
Notes
Equation 16 in Lucy 2003.
- calculate_stimulated_recombination_rate_coeff(mean_intensity_photoionization_df, photoionization_boltzmann_factor)[source]¶
 Calculate the photoionization rate coefficient.
- Parameters:
 - mean_intensity_photoionization_dfpd.DataFrame
 Mean intensity at each photoionization frequency.
- photoionization_boltzmann_factornp.ndarray
 Boltzmann factor for each photoionization frequency.
- Returns:
 - pd.DataFrame
 The stimulated recombination rate coefficient.
Notes
Equation 15 in Lucy 2003.
- solve(dilute_blackbody_radiationfield_state, electron_temperature)[source]¶
 Prepares the ionization and recombination coefficients by grouping them for ion numbers.
- Parameters:
 - dilute_blackbody_radiationfield_stateDiluteBlackBodyRadiationFieldState
 The dilute black body radiation field state.
- electron_temperatureu.Quantity
 Electron temperature in each shell.
- Returns:
 - photoionization_rate_coeff
 Photoionization rate coefficient grouped by atomic number and ion number.
- recombination_rate_coeff
 Radiative recombination rate coefficient grouped by atomic number and ion number.
- class tardis.plasma.equilibrium.rates.photoionization_strengths.EstimatedPhotoionizationCoeffSolver(level2continuum_edge_idx)[source]¶
 Bases:
object- solve(radfield_mc_estimators, time_simulation, volume)[source]¶
 Solve for the continuum properties.
- Parameters:
 - radfield_mc_estimatorsRadiationFieldMCEstimators
 The Monte Carlo estimators for the radiation field.
- time_simulationfloat
 The simulation time.
- volumefloat
 The volume of the cells.
- Returns:
 - ContinuumProperties
 The calculated continuum properties.
- class tardis.plasma.equilibrium.rates.photoionization_strengths.SpontaneousRecombinationCoeffSolver(photoionization_cross_sections)[source]¶
 Bases:
object- calculate_photoionization_boltzmann_factor(electron_temperature)[source]¶
 Calculate the Boltzmann factor at each photoionization frequency
- Parameters:
 - electron_temperatureQuantity
 Electron temperature in each shell.
- Returns:
 - numpy.ndarray
 The Boltzmann factor per shell per photoionization frequency.
- property common_prefactor¶
 Used to multiply with both spontaneous recombination and photoionization coefficients.
- Returns:
 - pd.DataFrame
 A dataframe of the prefactor.