This class defines the external potential that is used for Hamiltonian class. More...

Inheritance diagram for Potential:

Public Member Functions
	Potential (Lattice grid, char filename)

	Potential (Lattice grid, double external_pot=0)

	Potential (Lattice grid, double(potential_function)(double x, double y))

	Potential (Lattice grid, double(potential_function)(double x, double y, double t), int t=0)

virtual double	get_value (int x)
	Get the value at the coordinate x in a 1D model.

virtual double	get_value (int x, int y)
	Get the value at the coordinate (x,y) in a 2D model.

bool	update (double t)
	Update the potential matrix at time t.

Public Attributes
Lattice *	grid
	Object that defines the lattice structure.

double *	matrix
	Matrix storing the potential.

bool	updated_potential_matrix

Protected Attributes
double	current_evolution_time
	Amount of time evolved since the beginning of the evolution.

double(*	static_potential )(double x, double y)
	Function of the static external potential.

double(*	evolving_potential )(double x, double y, double t)
	Function of the time-dependent external potential.

bool	self_init
	Whether the external potential matrix has been initialized from the Potential constructor or not.

bool	is_static
	Whether the external potential is static or time-dependent.

Detailed Description

This class defines the external potential that is used for Hamiltonian class.

Constructor & Destructor Documentation

Construct the external potential.

Parameters

[in]	grid	Lattice object.
[in]	filename	Name of the file that stores the external potential matrix.

Construct the external potential.

Parameters

[in]	grid	Lattice object.
[in]	external_pot	Pointer to the external potential matrix.

Construct the external potential.

Parameters

[in]	grid	Lattice object.
[in]	potential_function	Pointer to the static external potential function.

Potential::Potential	(	Lattice *	grid,
		double(*)(double x, double y, double t)	potential_function,
		int	t = `0`
	)

Construct the 2D time-evolving external potential.

Parameters

[in]	grid	Lattice object.
[in]	potential_function	Pointer to the time-dependent external potential function.

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