MinimizePlane.h File Reference

#include <BSMPT/minimizer/Minimizer.h>
#include <BSMPT/models/IncludeAllModels.h>
#include <gsl/gsl_vector_double.h>
#include <memory>
#include <vector>

Go to the source code of this file.

Classes
struct	BSMPT::Minimizer::MinimizePlaneReturn
	The MinimizePlaneReturn struct contains the value of the potential at the minimum and the minimum. More...
struct	BSMPT::Minimizer::GSLPlaneReturn
	The GSLPlaneReturn struct. More...
struct	BSMPT::Minimizer::PointerContainerMinPlane

Namespaces
namespace	BSMPT
	This classes calculates the Bounce action of the potential with a set temperature.

Functions
MinimizePlaneReturn	BSMPT::Minimizer::MinimizePlane (const std::vector< double > &basepoint, const std::vector< double > &VEVSymmetric, const std::vector< double > &VEVBroken, const ModelID::ModelIDs &Model, const std::vector< double > &par, const std::vector< double > &parCT, const double &Temp, const int &WhichMinimizer=WhichMinimizerDefault)
MinimizePlaneReturn	BSMPT::Minimizer::MinimizePlane (const std::vector< double > &basepoint, const std::vector< double > &VEVSymmetric, const std::vector< double > &VEVBroken, const ModelID::ModelIDs &Model, const std::vector< double > &par, const std::vector< double > &parCT, const ISMConstants &SMConstant, const double &Temp, const int &WhichMinimizer=WhichMinimizerDefault)
MinimizePlaneReturn	BSMPT::Minimizer::MinimizePlane (const std::vector< double > &basepoint, const std::vector< double > &VEVSymmetric, const std::vector< double > &VEVBroken, const std::shared_ptr< Class_Potential_Origin > &modelPointer, const double &Temp, const int &WhichMinimizer=WhichMinimizerDefault)
std::vector< double >	BSMPT::Minimizer::TransformCoordinates (const std::vector< double > &vMinTilde, const struct PointerContainerMinPlane &params)
double	BSMPT::Minimizer::GSL_VEFF_Minimize_Plane (const gsl_vector *v, void *p)
int	BSMPT::Minimizer::GSL_Minimize_Plane_From_S_gen_all (const struct PointerContainerMinPlane &p, std::vector< double > &sol, const std::vector< double > &start)
GSLPlaneReturn	BSMPT::Minimizer::GSL_Minimize_Plane_gen_all (const struct PointerContainerMinPlane &params, std::size_t seed, std::vector< std::vector< double > > &saveAllMinima, std::size_t MinSol)
GSLPlaneReturn	BSMPT::Minimizer::GSL_Minimize_Plane_gen_all (const struct PointerContainerMinPlane &params, std::size_t seed, std::size_t MinSol)
GSLPlaneReturn	BSMPT::Minimizer::GSL_Minimize_Plane_gen_all (const struct PointerContainerMinPlane &params, std::size_t seed)

Function Documentation

GSL_Minimize_Plane_From_S_gen_all()

int BSMPT::Minimizer::GSL_Minimize_Plane_From_S_gen_all	(	const struct PointerContainerMinPlane &	p,
		std::vector< double > &	sol,
		const std::vector< double > &	start
	)

Uses the GSL minimisation routines to find the next local minimum from a given point

Parameters

p	GSL_params struct which containts the information about the model and the potential
sol	Vector to store the solution
start	Starting point from where to look for the next local minimum

Returns

The final status of the gsl minimization process.

GSL_Minimize_Plane_gen_all() [1/3]

GSLPlaneReturn BSMPT::Minimizer::GSL_Minimize_Plane_gen_all	(	const struct PointerContainerMinPlane &	params,
		std::size_t	seed
	)

Minimise the Potential from different random starting points and look for 20 local minima. Choose the local minimum with the deepest potential value as the candidate for the global minimum

Parameters

params	PointerContainerMinPlane which containts the model information and potential
seed	Seed for generating the random starting points

Returns

A GSLPlaneReturn with a boolean being true if a candidate for the global minimum is found and false otherwise and a vector in which the candidate for the global minimum is stored

GSL_Minimize_Plane_gen_all() [2/3]

GSLPlaneReturn BSMPT::Minimizer::GSL_Minimize_Plane_gen_all	(	const struct PointerContainerMinPlane &	params,
		std::size_t	seed,
		std::size_t	MinSol
	)

Minimise the Potential from different random starting points and choose the local minimum with the deepest potential value as the candidate for the global minimum

Parameters

params	PointerContainerMinPlane which containts the model information and potential
seed	Seed for generating the random starting points
MinSol	Number of local minima to look out for

Returns

A GSLPlaneReturn with a boolean being true if a candidate for the global minimum is found and false otherwise and a vector in which the candidate for the global minimum is stored

GSL_Minimize_Plane_gen_all() [3/3]

GSLPlaneReturn BSMPT::Minimizer::GSL_Minimize_Plane_gen_all	(	const struct PointerContainerMinPlane &	params,
		std::size_t	seed,
		std::vector< std::vector< double > > &	saveAllMinima,
		std::size_t	MinSol
	)

Minimise the Potential from different random starting points and choose the local minimum with the deepest potential value as the candidate for the global minimum

Parameters

params	PointerContainerMinPlane which containts the model information and potential
seed	Seed for generating the random starting points
saveAllMinima	Matrix in which all found local minima are saved
MinSol	Number of local minima to look out for

Returns

A GSLPlaneReturn with a boolean being true if a candidate for the global minimum is found and false otherwise and a vector in which the candidate for the global minimum is stored

GSL_VEFF_Minimize_Plane()

double BSMPT::Minimizer::GSL_VEFF_Minimize_Plane	(	const gsl_vector *	v,
		void *	p
	)

Calculates the value of the effective potential at the vev v and temperature p->Temp for the gsl interface

Parameters

v	VEV configuration at which potential should be evaluated
p	Pointer to a PointerContainerMinPlane struct which contains the model information

MinimizePlane() [1/3]

MinimizePlaneReturn BSMPT::Minimizer::MinimizePlane	(	const std::vector< double > &	basepoint,
		const std::vector< double > &	VEVSymmetric,
		const std::vector< double > &	VEVBroken,
		const ModelID::ModelIDs &	Model,
		const std::vector< double > &	par,
		const std::vector< double > &	parCT,
		const double &	Temp,
		const int &	WhichMinimizer = WhichMinimizerDefault
	)

Calculates the minimum of a potential on a plane. For this the normal vector of the plane is calculated as the connection vector between the symmetric and the broken phase. At a given point the plane normal to the connection vector is then calculated and the potential is minimised along this plane.

Parameters

basepoint	Parameter point at which the plane and the connection between the symmetric and the broken minimum should be calculated
VEVSymmetric	Symmetric minimum
VEVBroken	Broken minimum
Model	Decides which model should be used through FChoose
par	Inputparameters for the parameterpoint
parCT	Counterterm parameters for the parameterpoint
Temp	Temperature at which the minimum should be calculated

Returns

MinimizePlaneReturn struct which has the minimum and the value of the potential

MinimizePlane() [2/3]

MinimizePlaneReturn BSMPT::Minimizer::MinimizePlane	(	const std::vector< double > &	basepoint,
		const std::vector< double > &	VEVSymmetric,
		const std::vector< double > &	VEVBroken,
		const ModelID::ModelIDs &	Model,
		const std::vector< double > &	par,
		const std::vector< double > &	parCT,
		const ISMConstants &	SMConstant,
		const double &	Temp,
		const int &	WhichMinimizer = WhichMinimizerDefault
	)

Calculates the minimum of a potential on a plane. For this the normal vector of the plane is calculated as the connection vector between the symmetric and the broken phase. At a given point the plane normal to the connection vector is then calculated and the potential is minimised along this plane.

Parameters

basepoint	Parameter point at which the plane and the connection between the symmetric and the broken minimum should be calculated
VEVSymmetric	Symmetric minimum
VEVBroken	Broken minimum
Model	Decides which model should be used through FChoose
par	Inputparameters for the parameterpoint
parCT	Counterterm parameters for the parameterpoint
SMConstant	The SM constants used by the parameter point
Temp	Temperature at which the minimum should be calculated

Returns

MinimizePlaneReturn struct which has the minimum and the value of the potential

MinimizePlane() [3/3]

MinimizePlaneReturn BSMPT::Minimizer::MinimizePlane	(	const std::vector< double > &	basepoint,
		const std::vector< double > &	VEVSymmetric,
		const std::vector< double > &	VEVBroken,
		const std::shared_ptr< Class_Potential_Origin > &	modelPointer,
		const double &	Temp,
		const int &	WhichMinimizer = WhichMinimizerDefault
	)

Calculates the minimum of a potential on a plane. For this the normal vector of the plane is calculated as the connection vector between the symmetric and the broken phase. At a given point the plane normal to the connection vector is then calculated and the potential is minimised along this plane.

Parameters

basepoint	Parameter point at which the plane and the connection between the symmetric and the broken minimum should be calculated
VEVSymmetric	Symmetric minimum
VEVBroken	Broken minimum
modelPointer	Pointer to the corresponding model and parameter point through Class_Potential_Origin
Temp	Temperature at which the minimum should be calculated

Returns

MinimizePlaneReturn struct which has the minimum and the value of the potential

TransformCoordinates()

std::vector< double > BSMPT::Minimizer::TransformCoordinates	(	const std::vector< double > &	vMinTilde,
		const struct PointerContainerMinPlane &	params
	)

Transform from nVEV -1 coordinates used in the plane minimisation to the nVEV coordinates used to evaluate the potential.

Parameters

vMinTilde	A point in the nVEV -1 dimensions which were used to minimise the potential in the plane
params	the PointerContainerMinPlane struct which containts the potential and the index at which the vector has to be extended.

Returns

The point vMinTilde will be extended by the missing component to be in the nVEV dimensional space which can be used to calculate the potential