Solely calculates the topological charge as given by,
\[ q(n_e) = \frac{1}{32\pi^2} \sum_{n \in N^3} \epsilon_{\mu\nu\rho\sigma} \mathrm{tr}\big[F_{\mu\nu}(n)F_{\rho\sigma}(n)\big], \]
where \(n_e\) is the position in the lattice in Euclidean time. \(F_{\nu\mu}\) is the clover. More...
#include <topologicalcharge.h>
Public Member Functions | |
| TopologicalCharge (bool storeFlowObservable) | |
| ~TopologicalCharge () | |
| void | calculate (Lattice< SU3 > *lattice, unsigned int iObs) |
| Correlator::calculate calculates a observable. More... | |
| void | runStatistics () |
| Correlator::runStatistics. More... | |
| void | printStatistics () |
| Correlator::printStatistics prints statistics from ObservableStorer. More... | |
| std::string | getObservableName () |
 Public Member Functions inherited from Correlator | |
| Correlator (bool storeFlowObservable) | |
| Correlator::Correlator. More... | |
| Correlator () | |
| Correlator::Correlator. More... | |
| virtual | ~Correlator () |
| virtual void | writeObservableToFile (double acceptanceRatio) |
| Correlator::writeObservableToFile calls the ObservableStorer for writing observable to file. More... | |
| virtual void | writeFlowObservablesToFile (unsigned int iFlow) |
| Correlator::writeFlowObservablesToFile. More... | |
| virtual void | printObservable (unsigned int iObs) |
| Correlator::printObservable prints the observable for the output. More... | |
| virtual void | printHeader () |
| Correlator::printHeader prints a the observable name for output in header. More... | |
| virtual void | copyObservable (unsigned int iObs, std::vector< double > obs) |
| Correlator::copyObservable copies the observable if has already been calculated at zero flow time. More... | |
| virtual std::vector< double > | getObservablesVector (unsigned int iObs) |
| Correlator::getObservablesVector. More... | |
| virtual double | getObservable (unsigned int iObs) |
| Correlator::getObservable. More... | |
| virtual int | getHeaderWidth () |
| virtual void | reset () |
| Correlator::reset resets ObservableStorer. More... | |
| virtual void | initializeObservableStorer (bool storeFlowObservable) |
| Correlator::initializeObservableStorer initializes ObservableStorer. More... | |
Additional Inherited Members | |
| Protected Attributes inherited from Correlator | |
| std::vector< unsigned int > | m_N |
| double | m_latticeSize |
| double | m_a |
| const int | m_headerWidth = 20 |
| const std::string | m_observableName = "Correlator" |
| const std::string | m_observableNameCompact = "correlator" |
| ObservableStorer * | m_observable = nullptr |
| bool | m_storeFlowObservable = false |
Detailed Description
Solely calculates the topological charge as given by,
\[ q(n_e) = \frac{1}{32\pi^2} \sum_{n \in N^3} \epsilon_{\mu\nu\rho\sigma} \mathrm{tr}\big[F_{\mu\nu}(n)F_{\rho\sigma}(n)\big], \]
where \(n_e\) is the position in the lattice in Euclidean time. \(F_{\nu\mu}\) is the clover.
- Version
- 1.0
- Date
- 2017-2019
- Copyright
- MIT Licence
Constructor & Destructor Documentation
◆ TopologicalCharge()
| TopologicalCharge::TopologicalCharge | ( | bool | storeFlowObservable | ) |
◆ ~TopologicalCharge()
| TopologicalCharge::~TopologicalCharge | ( | ) |
Member Function Documentation
◆ calculate()
Correlator::calculate calculates a observable.
- Parameters
-
lattice pointer to lattice of SU3 matrices iObs number of the observable
Reimplemented from Correlator.
◆ getObservableName()
|
inlinevirtual |
Reimplemented from Correlator.
◆ printStatistics()
|
virtual |
Correlator::printStatistics prints statistics from ObservableStorer.
Reimplemented from Correlator.
◆ runStatistics()
|
virtual |
Gathers results and performs statistics in the ObservableStorer object.
Reimplemented from Correlator.
The documentation for this class was generated from the following files:
- GLAC/observables/topologicalcharge.h
- GLAC/observables/topologicalcharge.cpp
