gauge_action< gauge_field > Class Template Reference

#include <gauge_field.h>

Inheritance diagram for gauge_action< gauge_field >:

Collaboration diagram for gauge_action< gauge_field >:

Public Types
using	gauge_field_type = gauge_field
	The underlying gauge field type.
using	gauge_mat = typename gauge_field::gauge_type
	The gauge matrix type.
using	momtype = SquareMatrix< N, Complex< hila::arithmetic_type< gauge_mat > > >
	The type of the momentum field.

Public Member Functions
	gauge_action (gauge_field &g, double b)
	Construct out of a gauge field.
	gauge_action (gauge_action &ga)
	Construct a copy.
double	action ()
	The gauge action.
void	force_step (double eps)
	Update the momentum with the gauge field force.
virtual void	draw_gaussian_fields ()
virtual void	backup_fields ()
	Make a copy of fields updated in a trajectory.
virtual void	restore_backup ()
	Restore the previous backup.

Public Attributes
gauge_field &	gauge
	A reference to the gauge field.
double	beta
	The coupling.

Static Public Attributes
static constexpr int	N = gauge_mat::size
	The size of the gauge matrix.

Detailed Description

template<typename gauge_field>
class gauge_action< gauge_field >

The Wilson plaquette action of a gauge field. Action terms contain a force_step()-function, which updates the momentum of the gauge field. To do this, it needs to have a reference to the momentum field.

Definition at line 448 of file gauge_field.h.

Member Function Documentation

draw_gaussian_fields()

virtual void action_base::draw_gaussian_fields ( )

inlinevirtualinherited

Draw any fields with a gaussian distribution, including the momentum

Reimplemented in fermion_action< gauge_field, DIRAC_OP >, fermion_action< gauge_field, Hasenbusch_operator< DIRAC_OP > >, Hasenbusch_action_1< gauge_field, DIRAC_OP >, Hasenbusch_action_2< gauge_field, DIRAC_OP >, gauge_momentum_action< gauge_field >, and action_sum.

Definition at line 18 of file integrator.h.

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

• gauge_field.h