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Add overloaded Photon constructors, with default parameters for IR improvements and infinite-volume G(x=0).

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This commit is contained in:
James Harrison 2018-03-06 16:27:26 +00:00
parent ec3954ff5f
commit c793947209
2 changed files with 23 additions and 2 deletions
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2
extras/Hadrons/Modules/MGauge/UnitEm.cc
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@ -61,7 +61,7 @@ void TUnitEm::setup(void)
// execution /////////////////////////////////////////////////////////////////// // execution ///////////////////////////////////////////////////////////////////
void TUnitEm::execute(void) void TUnitEm::execute(void)
{ {
PhotonR photon(0, 0, std::vector<Real>(), 0.0); // Just chose arbitrary input values here PhotonR photon(0, 0); // Just chose arbitrary input values here
auto &a = envGet(EmField, getName()); auto &a = envGet(EmField, getName());
LOG(Message) << "Generating unit EM potential..." << std::endl; LOG(Message) << "Generating unit EM potential..." << std::endl;
photon.UnitField(a); photon.UnitField(a);

23
lib/qcd/action/gauge/Photon.h
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@ -60,6 +60,9 @@ namespace QCD{
GRID_SERIALIZABLE_ENUM(Gauge, undef, feynman, 1, coulomb, 2, landau, 3); GRID_SERIALIZABLE_ENUM(Gauge, undef, feynman, 1, coulomb, 2, landau, 3);
GRID_SERIALIZABLE_ENUM(ZmScheme, undef, qedL, 1, qedTL, 2, qedInf, 3); GRID_SERIALIZABLE_ENUM(ZmScheme, undef, qedL, 1, qedTL, 2, qedInf, 3);
public: public:
Photon(Gauge gauge, ZmScheme zmScheme);
Photon(Gauge gauge, ZmScheme zmScheme, std::vector<Real> improvements);
Photon(Gauge gauge, ZmScheme zmScheme, Real G0);
Photon(Gauge gauge, ZmScheme zmScheme, std::vector<Real> improvements, Real G0); Photon(Gauge gauge, ZmScheme zmScheme, std::vector<Real> improvements, Real G0);
virtual ~Photon(void) = default; virtual ~Photon(void) = default;
void FreePropagator(const GaugeField &in, GaugeField &out); void FreePropagator(const GaugeField &in, GaugeField &out);
@ -82,12 +85,30 @@ namespace QCD{
typedef Photon<QedGimplR> PhotonR; typedef Photon<QedGimplR> PhotonR;
template<class Gimpl>
Photon<Gimpl>::Photon(Gauge gauge, ZmScheme zmScheme)
: gauge_(gauge), zmScheme_(zmScheme), improvement_(std::vector<Real>()),
G0_(0.15493339023106021408483720810737508876916113364521)
{}
template<class Gimpl>
Photon<Gimpl>::Photon(Gauge gauge, ZmScheme zmScheme,
std::vector<Real> improvements)
: gauge_(gauge), zmScheme_(zmScheme), improvement_(improvements),
G0_(0.15493339023106021408483720810737508876916113364521)
{}
template<class Gimpl>
Photon<Gimpl>::Photon(Gauge gauge, ZmScheme zmScheme, Real G0)
: gauge_(gauge), zmScheme_(zmScheme), improvement_(std::vector<Real>()), G0_(G0)
{}
template<class Gimpl> template<class Gimpl>
Photon<Gimpl>::Photon(Gauge gauge, ZmScheme zmScheme, Photon<Gimpl>::Photon(Gauge gauge, ZmScheme zmScheme,
std::vector<Real> improvements, Real G0) std::vector<Real> improvements, Real G0)
: gauge_(gauge), zmScheme_(zmScheme), improvement_(improvements), G0_(G0) : gauge_(gauge), zmScheme_(zmScheme), improvement_(improvements), G0_(G0)
{} {}
template<class Gimpl> template<class Gimpl>
void Photon<Gimpl>::FreePropagator (const GaugeField &in,GaugeField &out) void Photon<Gimpl>::FreePropagator (const GaugeField &in,GaugeField &out)
{ {