VariableFixing::ParameterizedDeleptonization Class Reference

Adjust the electron fraction (Ye) based on rest mass density (rho). More...

#include <ParameterizedDeleptonization.hpp>

Classes
struct	ElectronFractionAtHighDensity
	Electron fraction of material when the rest mass density is above HighDensityScale. More...
struct	ElectronFractionAtLowDensity
	Electron fraction of material when the rest mass density is below LowDensityScale. More...
struct	ElectronFractionCorrectionScale
	Electron fraction correction term. The larger this value, the higher the Ye of matter at densities between LowDensityScale and HighDensityScale. More...
struct	Enable
	Use an analytic expression vs rest mass density profile. More...
struct	HighDensityScale
	Density near the center of the supernova at bounce, above which the central Ye is assumed. More...
struct	LowDensityScale
	Density near the Silicon-Oxygen interface, below which the lower Ye is assumed. More...

Public Types
using	options
using	return_tags
using	argument_tags

Public Member Functions
	ParameterizedDeleptonization (bool enable, double high_density_scale, double low_density_scale, double electron_fraction_at_high_density, double electron_fraction_at_low_density, double electron_fraction_correction_scale, const Options::Context &context={})
	ParameterizedDeleptonization (const ParameterizedDeleptonization &)=default
ParameterizedDeleptonization &	operator= (const ParameterizedDeleptonization &)=default
	ParameterizedDeleptonization (ParameterizedDeleptonization &&)=default
ParameterizedDeleptonization &	operator= (ParameterizedDeleptonization &&)=default
void	pup (PUP::er &p)
template<size_t ThermodynamicDim>
void	operator() (gsl::not_null< Scalar< DataVector > * > specific_internal_energy, gsl::not_null< Scalar< DataVector > * > electron_fraction, gsl::not_null< Scalar< DataVector > * > pressure, gsl::not_null< Scalar< DataVector > * > temperature, const Scalar< DataVector > &rest_mass_density, const EquationsOfState::EquationOfState< true, ThermodynamicDim > &equation_of_state) const

Static Public Attributes
static constexpr Options::String	help

Friends
bool	operator== (const ParameterizedDeleptonization &lhs, const ParameterizedDeleptonization &rhs)

Detailed Description

Adjust the electron fraction (Ye) based on rest mass density (rho).

Based on [131] spherically symmetric Boltzmann calculations, during the collapse phase just before a core-collapse supernova, the electron fraction naturally follows the rest mass density. Intuitively, the higher the density, the more electrons are captured onto protons, leading to neutrino production. As these neutrinos diffuse out of the center of the collapsing star, the total number of leptons near center of the CCSN drops—the process of deleptonization.

https://iopscience.iop.org/article/10.1086/466517

Member Typedef Documentation

argument_tags

using VariableFixing::ParameterizedDeleptonization::argument_tags

Initial value:

 tmpl::list<hydro::Tags::RestMassDensity<DataVector>,
                                   hydro::Tags::GrmhdEquationOfState>

options

using VariableFixing::ParameterizedDeleptonization::options

Initial value:

 
      tmpl::list<Enable, HighDensityScale, LowDensityScale,
                 ElectronFractionAtHighDensity, ElectronFractionAtLowDensity,
                 ElectronFractionCorrectionScale>

return_tags

using VariableFixing::ParameterizedDeleptonization::return_tags

Initial value:

 
      tmpl::list<hydro::Tags::SpecificInternalEnergy<DataVector>,
                 hydro::Tags::ElectronFraction<DataVector>,
                 hydro::Tags::Pressure<DataVector>,
                 hydro::Tags::Temperature<DataVector>>

Member Data Documentation

help

Options::String VariableFixing::ParameterizedDeleptonization::help

staticconstexpr

Initial value:

= {
      "Set electron fraction based on rest mass density.  "
      "(Low/High)DensityScale sets the limits of the density, beyond which "
      "the ElectronFractionAt(Low/High)Density is assumed.  At intermediate "
      "densities, the higher the ElectronFractionCorrectionScale, the higher "
      "the Ye."}

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The documentation for this class was generated from the following file:

• src/Evolution/VariableFixing/ParameterizedDeleptonization.hpp