This class defines a quantum state with exponential like wave function. More...

#include <trottersuzuki.h>

Inheritance diagram for ExponentialState:

Public Member Functions
	ExponentialState (Lattice1D grid, int n_x=1, double norm=1, double phase=0, double p_real=0, double *p_imag=0)

	ExponentialState (Lattice2D grid, int n_x=1, int n_y=1, double norm=1, double phase=0, double p_real=0, double *p_imag=0)

Public Member Functions inherited from State
	State (Lattice grid, int angular_momentum=0, double p_real=0, double *p_imag=0)

	State (const State &obj)
	Copy constructor: copy the state object. More...

	~State ()
	Destructor.

void	init_state (complex< double >(*ini_state)(double x))
	Write the wave function from a C++ function to p_real and p_imag matrices in 1D. More...

void	init_state (complex< double >(*ini_state)(double x, double y))
	Write the wave function from a C++ function to p_real and p_imag matrices in 2D. More...

void	loadtxt (char *file_name)
	Load the wave function from a file to p_real and p_imag matrices.

void	imprint (complex< double >(*function)(double x))
	Multiply the wave function of the state by the function provided in 1D. More...

void	imprint (complex< double >(*function)(double x, double y))
	Multiply the wave function of the state by the function provided in 2D. More...

double *	get_particle_density (double *density=0)
	Return a matrix storing the squared norm of the wave function. More...

double *	get_phase (double *phase=0)
	Return a matrix storing the phase of the wave function. More...

double	get_expected_value (string _operator)
	Return the expected value of the operator, given as argument.

double	get_squared_norm (void)
	Return the squared norm of the quantum state.

double	get_mean_x (void)
	Return the expected value of the X operator.

double	get_mean_xx (void)
	Return the expected value of the X^2 operator.

double	get_mean_y (void)
	Return the expected value of the Y operator.

double	get_mean_yy (void)
	Return the expected value of the Y^2 operator.

double	get_mean_px (void)
	Return the expected value of the P_x operator.

double	get_mean_pxpx (void)
	Return the expected value of the P_x^2 operator.

double	get_mean_py (void)
	Return the expected value of the P_y operator.

double	get_mean_pypy (void)
	Return the expected value of the P_y^2 operator.

double	get_mean_angular_momentum (void)
	Return the expected value of the L_z operator.

void	write_to_file (string fileprefix)
	Write to a file the wave function. More...

void	write_particle_density (string fileprefix)
	Write to a file the squared norm of the wave function. More...

void	write_phase (string fileprefix)
	Write to a file the phase of the wave function. More...

Private Member Functions
complex< double >	exp_state (double x, double y)
	Exponential wave function.

Private Attributes
int	n_x

int	n_y
	First and second quantum number.

double	norm

double	phase
	Norm and phase of the state.

Additional Inherited Members
Public Attributes inherited from State
double *	p_real
	Real part of the wave function.

double *	p_imag
	Imaginary part of the wave function.

Lattice *	grid
	Object that defines the lattice structure.

int	angular_momentum
	Angular momentum when cylindrical coordinates are used.

bool	expected_values_updated
	Whether the expected values of the state object are updated with respect to the last evolution.

Protected Member Functions inherited from State
void	calculate_expected_values (void)
	Calculate squared norm and expected values.

Protected Attributes inherited from State
bool	self_init
	Whether the p_real and p_imag matrices have been initialized from the State constructor or not.

double	mean_X

double	mean_XX
	Expected values of the X and X^2 operators.

double	mean_Y

double	mean_YY
	Expected values of the Y and Y^2 operators.

double	mean_Px

double	mean_PxPx
	Expected values of the P_x and P_x^2 operators.

double	mean_Py

double	mean_PyPy
	Expected values of the P_y and P_y^2 operators.

double	mean_angular_momentum
	Expected value of the L_z operator.

double	norm2
	Squared norm of the state.

Detailed Description

This class defines a quantum state with exponential like wave function.

This class is a child of State class.

Constructor & Destructor Documentation

ExponentialState::ExponentialState	(	Lattice1D *	grid,
		int	n_x = `1`,
		double	norm = `1`,
		double	phase = `0`,
		double *	p_real = `0`,
		double *	p_imag = `0`
	)

Construct the quantum state with exponential like wave function.

Parameters

[in]	grid	Lattice object.
[in]	n_x	First quantum number.
[in]	norm	Squared norm of the quantum state.
[in]	phase	Relative phase of the wave function.
[in]	p_real	Pointer to the real part of the wave function.
[in]	p_imag	Pointer to the imaginary part of the wave function.

ExponentialState::ExponentialState	(	Lattice2D *	grid,
		int	n_x = `1`,
		int	n_y = `1`,
		double	norm = `1`,
		double	phase = `0`,
		double *	p_real = `0`,
		double *	p_imag = `0`
	)

Construct the quantum state with exponential like wave function.

Parameters

[in]	grid	Lattice object.
[in]	n_x	First quantum number.
[in]	n_y	Second quantum number.
[in]	norm	Squared norm of the quantum state.
[in]	phase	Relative phase of the wave function.
[in]	p_real	Pointer to the real part of the wave function.
[in]	p_imag	Pointer to the imaginary part of the wave function.

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

/home/pwittek/trotter-suzuki-mpi/src/trottersuzuki.h
/home/pwittek/trotter-suzuki-mpi/src/model.cpp

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation