mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-10 07:55:35 +00:00
Implement contractions and data output in functions; calculate diagrams S, X and 4C separately; output 2E and 2T instead of sunset_shifted, sunset_unshifted, tadpole_shifted, tadpole_unshifted; add comments.
This commit is contained in:
parent
219b3bd34f
commit
ab3baeb38f
@ -6,6 +6,78 @@ using namespace Grid;
|
||||
using namespace Hadrons;
|
||||
using namespace MScalar;
|
||||
|
||||
/*
|
||||
* Scalar QED vacuum polarisation up to O(alpha)
|
||||
*
|
||||
*
|
||||
* _______
|
||||
* / \ ( adj(S(a\hat{nu}|x)) U_mu(x) S(0|x+a\hat{mu}) U_nu(0) )
|
||||
* Diagram notation: U_nu * * U_mu = 2 Re( - )
|
||||
* \_______/ ( adj(S(a\hat{nu}|x+a\hat{mu})) adj(U_mu(x)) S(0|x) U_nu(0) )
|
||||
*
|
||||
*
|
||||
*
|
||||
* _______
|
||||
* / \
|
||||
* free = 1 * * 1
|
||||
* \_______/
|
||||
*
|
||||
*
|
||||
*
|
||||
* _______
|
||||
* / \
|
||||
* S = iA_nu * * iA_mu
|
||||
* \_______/
|
||||
*
|
||||
*
|
||||
* Delta_1
|
||||
* ___*___
|
||||
* / \
|
||||
* X = 1 * * 1
|
||||
* \___*___/
|
||||
* Delta_1
|
||||
*
|
||||
* Delta_1 Delta_1
|
||||
* ___*___ ___*___
|
||||
* / \ / \
|
||||
* 1 * * iA_mu + iA_nu * * 1
|
||||
* \_______/ \_______/
|
||||
* 4C = _______ _______
|
||||
* / \ / \
|
||||
* + 1 * * iA_mu + iA_nu * * 1
|
||||
* \___*___/ \___*___/
|
||||
* Delta_1 Delta_1
|
||||
*
|
||||
* Delta_1 Delta_1
|
||||
* _*___*_ _______
|
||||
* / \ / \
|
||||
* 2E = 1 * * 1 + 1 * * 1
|
||||
* \_______/ \_*___*_/
|
||||
* Delta_1 Delta_1
|
||||
*
|
||||
* Delta_2
|
||||
* ___*___ _______
|
||||
* / \ / \
|
||||
* 2T = 1 * * 1 + 1 * * 1
|
||||
* \_______/ \___*___/
|
||||
* Delta_2
|
||||
*
|
||||
*
|
||||
* _______
|
||||
* / \
|
||||
* srcT = -A_nu^2/2 * * 1
|
||||
* \_______/
|
||||
*
|
||||
*
|
||||
*
|
||||
* _______
|
||||
* / \
|
||||
* snkT = 1 * * -A_mu^2/2
|
||||
* \_______/
|
||||
*
|
||||
* Full VP to O(alpha) = free + q^2*(S+X+4C+2E+2T+srcT+snkT)
|
||||
*/
|
||||
|
||||
/******************************************************************************
|
||||
* TScalarVP implementation *
|
||||
******************************************************************************/
|
||||
@ -37,7 +109,8 @@ std::vector<std::string> TScalarVP::getOutput(void)
|
||||
|
||||
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
|
||||
{
|
||||
out.push_back(getName() + "_" + std::to_string(mu) + "_" + std::to_string(nu));
|
||||
out.push_back(getName() + "_" + std::to_string(mu)
|
||||
+ "_" + std::to_string(nu));
|
||||
}
|
||||
}
|
||||
|
||||
@ -119,8 +192,9 @@ void TScalarVP::execute(void)
|
||||
// CONTRACTIONS
|
||||
ScalarField prop1(env().getGrid()), prop2(env().getGrid());
|
||||
EmField &A = *env().getObject<EmField>(par().emField);
|
||||
ScalarField Amu(env().getGrid()), tmp_vp(env().getGrid());
|
||||
TComplex Anu0;
|
||||
ScalarField Amu(env().getGrid()), U_snk(env().getGrid());
|
||||
ScalarField tmp_vp1(env().getGrid()), tmp_vp2(env().getGrid());
|
||||
TComplex Anu0, U_src;
|
||||
std::vector<int> coor0 = {0, 0, 0, 0};
|
||||
std::vector<std::vector<ScalarField> > vpTensor;
|
||||
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
|
||||
@ -134,10 +208,7 @@ void TScalarVP::execute(void)
|
||||
}
|
||||
|
||||
// Open output files if necessary
|
||||
std::vector<TComplex> vecBuf;
|
||||
std::vector<Complex> result;
|
||||
ScalarField vpPhase(env().getGrid());
|
||||
std::vector<CorrWriter *> writer, writer0, writerD;
|
||||
std::vector<CorrWriter *> writer;
|
||||
std::vector<ScalarField> momphases;
|
||||
if (!par().output.empty())
|
||||
{
|
||||
@ -147,50 +218,32 @@ void TScalarVP::execute(void)
|
||||
std::vector<int> mom = strToVec<int>(par().outputMom[i_p]);
|
||||
|
||||
// Open output files
|
||||
std::string filename = par().output + "_" + std::to_string(mom[0])
|
||||
+ std::to_string(mom[1])
|
||||
+ std::to_string(mom[2])
|
||||
+ "." +
|
||||
std::to_string(env().getTrajectory());
|
||||
std::string filename0 = par().output + "_" + std::to_string(mom[0])
|
||||
+ std::to_string(mom[1])
|
||||
+ std::to_string(mom[2])
|
||||
+ "_free." +
|
||||
std::to_string(env().getTrajectory());
|
||||
std::string filenameD = par().output + "_" + std::to_string(mom[0])
|
||||
+ std::to_string(mom[1])
|
||||
+ std::to_string(mom[2])
|
||||
+ "_diagrams." +
|
||||
std::to_string(env().getTrajectory());
|
||||
std::string filename = par().output + "_"
|
||||
+ std::to_string(mom[0])
|
||||
+ std::to_string(mom[1])
|
||||
+ std::to_string(mom[2]) + "."
|
||||
+ std::to_string(env().getTrajectory());
|
||||
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
CorrWriter *writer_i = new CorrWriter(filename);
|
||||
writer.push_back(writer_i);
|
||||
CorrWriter *writer0_i = new CorrWriter(filename0);
|
||||
writer0.push_back(writer0_i);
|
||||
CorrWriter *writerD_i = new CorrWriter(filenameD);
|
||||
writerD.push_back(writerD_i);
|
||||
|
||||
write(*writer[i_p], "charge", q);
|
||||
write(*writer[i_p], "mass", static_cast<TChargedProp *>(env().getModule(par().scalarProp))->par().mass);
|
||||
write(*writer0[i_p], "charge", 0.0);
|
||||
write(*writer0[i_p], "mass", static_cast<TChargedProp *>(env().getModule(par().scalarProp))->par().mass);
|
||||
write(*writerD[i_p], "charge", q);
|
||||
write(*writerD[i_p], "mass", static_cast<TChargedProp *>(env().getModule(par().scalarProp))->par().mass);
|
||||
}
|
||||
|
||||
// Calculate phase factors
|
||||
vpPhase = Complex(1.0,0.0);
|
||||
tmp_vp1 = Complex(1.0,0.0);
|
||||
for (unsigned int j = 0; j < env().getNd()-1; ++j)
|
||||
{
|
||||
for (unsigned int momcount = 0; momcount < mom[j]; ++momcount)
|
||||
{
|
||||
vpPhase = vpPhase*(*phase_[j]);
|
||||
tmp_vp1 = tmp_vp1*(*phase_[j]);
|
||||
}
|
||||
}
|
||||
vpPhase = adj(vpPhase);
|
||||
momphases.push_back(vpPhase);
|
||||
tmp_vp1 = adj(tmp_vp1);
|
||||
momphases.push_back(tmp_vp1);
|
||||
}
|
||||
}
|
||||
|
||||
@ -205,297 +258,132 @@ void TScalarVP::execute(void)
|
||||
<< std::endl;
|
||||
Amu = peekLorentz(A, mu);
|
||||
|
||||
// Free VP
|
||||
prop1 = *prop0_;
|
||||
prop2 = Cshift(*prop0_, nu, -1);
|
||||
tmp_vp = adj(prop2) * Cshift(prop1, mu, 1);
|
||||
tmp_vp -= Cshift(adj(prop2), mu, 1) * prop1;
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] = tmp_vp;
|
||||
|
||||
// free
|
||||
prop1 = *prop0_; // S_0(0|x)
|
||||
prop2 = Cshift(*prop0_, nu, -1); // S_0(0|x-a\hat{\nu})
|
||||
// = S_0(a\hat{\nu}|x)
|
||||
U_src = Complex(1.0,0.0);
|
||||
vpContraction(tmp_vp1, prop1, prop2, U_src, mu);
|
||||
vpTensor[mu][nu] = tmp_vp1;
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writer0[i_p],
|
||||
"Pi_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
writeVP(writer, tmp_vp1, momphases,
|
||||
"Pi_free_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
|
||||
// srcT
|
||||
tmp_vp2 = tmp_vp1 * (-0.5)*q*q*Anu0*Anu0;
|
||||
vpTensor[mu][nu] += tmp_vp2;
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
writeVP(writer, tmp_vp2, momphases,
|
||||
"Pi_srcT_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
|
||||
// snkT
|
||||
tmp_vp2 = tmp_vp1 * (-0.5)*q*q*Amu*Amu;
|
||||
vpTensor[mu][nu] += tmp_vp2;
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
writeVP(writer, tmp_vp2, momphases,
|
||||
"Pi_snkT_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
|
||||
// S
|
||||
// X
|
||||
prop1 = *prop0_; // S_0(0|x)
|
||||
prop2 = Cshift(*prop0_, nu, -1); // S_0(a\hat{\nu}|x)
|
||||
U_src = ci*q*Anu0;
|
||||
U_snk = ci*q*Amu;
|
||||
vpContraction(tmp_vp1, prop1, prop2, U_src, U_snk, mu);
|
||||
vpTensor[mu][nu] += tmp_vp1;
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
writeVP(writer, tmp_vp1, momphases,
|
||||
"Pi_S_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
|
||||
// 4C
|
||||
|
||||
// "Exchange" terms
|
||||
prop1 += q*propQ;
|
||||
prop2 += q*muPropQ[nu];
|
||||
tmp_vp = adj(prop2) * (1.0 + ci*q*Amu)
|
||||
* Cshift(prop1, mu, 1) * (1.0 + ci*q*Anu0);
|
||||
tmp_vp -= Cshift(adj(prop2), mu, 1) * (1.0 - ci*q*Amu)
|
||||
* prop1 * (1.0 + ci*q*Anu0);
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] = tmp_vp;
|
||||
|
||||
prop1 = q*propQ; // q*S_1(0|x)
|
||||
prop2 = Cshift(*prop0_, nu, -1); // S_0(a\hat{\nu}|x)
|
||||
U_src = Complex(1.0,0.0);
|
||||
U_snk = ci*q*Amu;
|
||||
vpContraction(tmp_vp1, prop1, prop2, U_src, U_snk, mu);
|
||||
U_src = ci*q*Anu0;
|
||||
vpContraction(tmp_vp2, prop1, prop2, U_src, mu);
|
||||
tmp_vp1 += tmp_vp2;
|
||||
prop1 = *prop0_; // S_0(0|x)
|
||||
prop2 = q*muPropQ[nu]; // q*S_1(a\hat{\nu}|x)
|
||||
vpContraction(tmp_vp2, prop1, prop2, U_src, mu);
|
||||
tmp_vp1 += tmp_vp2;
|
||||
U_src = Complex(1.0,0.0);
|
||||
U_snk = ci*q*Amu;
|
||||
vpContraction(tmp_vp2, prop1, prop2, U_src, U_snk, mu);
|
||||
tmp_vp1 += tmp_vp2;
|
||||
vpTensor[mu][nu] += tmp_vp1;
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writerD[i_p],
|
||||
"Pi_exchange_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
writeVP(writer, tmp_vp1, momphases,
|
||||
"Pi_4C_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
|
||||
// Subtract O(alpha^2) term
|
||||
prop1 = q*propQ;
|
||||
prop2 = q*muPropQ[nu];
|
||||
tmp_vp = Cshift(adj(prop2), mu, 1) * (-ci)*q*Amu
|
||||
* prop1 * ci*q*Anu0;
|
||||
tmp_vp -= adj(prop2) * ci*q*Amu
|
||||
* Cshift(prop1, mu, 1) * ci*q*Anu0;
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] += tmp_vp;
|
||||
|
||||
// X
|
||||
prop1 = q*propQ; // q*S_1(0|x)
|
||||
prop2 = q*muPropQ[nu]; // q*S_1(a\hat{\nu}|x)
|
||||
U_src = Complex(1.0,0.0);
|
||||
vpContraction(tmp_vp1, prop1, prop2, U_src, mu);
|
||||
vpTensor[mu][nu] += tmp_vp1;
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writerD[i_p],
|
||||
"Pi_alpha2_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
writeVP(writer, tmp_vp1, momphases,
|
||||
"Pi_X_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
|
||||
// Sunset from unshifted source
|
||||
prop1 = q*q*propSun;
|
||||
prop2 = Cshift(*prop0_, nu, -1);
|
||||
tmp_vp = adj(prop2) * Cshift(prop1, mu, 1);
|
||||
tmp_vp -= Cshift(adj(prop2), mu, 1) * prop1;
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] += tmp_vp;
|
||||
|
||||
// 2E
|
||||
prop1 = q*q*propSun; // q^2*S_\Sigma(0|x)
|
||||
prop2 = Cshift(*prop0_, nu, -1); // S_0(a\hat{\nu}|x)
|
||||
U_src = Complex(1.0,0.0);
|
||||
vpContraction(tmp_vp1, prop1, prop2, U_src, mu);
|
||||
prop1 = *prop0_; // S_0(0|x)
|
||||
prop2 = q*q*Cshift(propSun, nu, -1); // q^2*S_\Sigma(0|x-a\hat{\nu})
|
||||
//(Note: <S(0|x-a\hat{\nu})> = <S(a\hat{\nu}|x)>)
|
||||
vpContraction(tmp_vp2, prop1, prop2, U_src, mu);
|
||||
tmp_vp1 += tmp_vp2;
|
||||
vpTensor[mu][nu] += tmp_vp1;
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writerD[i_p],
|
||||
"Pi_sunset_unshifted_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
writeVP(writer, tmp_vp1, momphases,
|
||||
"Pi_2E_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
|
||||
// Sunset from shifted source
|
||||
prop1 = Cshift(prop1, nu, -1);
|
||||
tmp_vp = Cshift(adj(*prop0_), mu, 1) * prop1;
|
||||
tmp_vp -= adj(*prop0_) * Cshift(prop1, mu, 1);
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] += tmp_vp;
|
||||
|
||||
// 2T
|
||||
prop1 = q*q*propTad; // q^2*S_T(0|x)
|
||||
prop2 = Cshift(*prop0_, nu, -1); // S_0(a\hat{\nu}|x)
|
||||
U_src = Complex(1.0,0.0);
|
||||
vpContraction(tmp_vp1, prop1, prop2, U_src, mu);
|
||||
prop1 = *prop0_; // S_0(0|x)
|
||||
prop2 = q*q*Cshift(propTad, nu, -1); // q^2*S_T(0|x-a\hat{\nu})
|
||||
vpContraction(tmp_vp2, prop1, prop2, U_src, mu);
|
||||
tmp_vp1 += tmp_vp2;
|
||||
vpTensor[mu][nu] += tmp_vp1;
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writerD[i_p],
|
||||
"Pi_sunset_shifted_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
writeVP(writer, tmp_vp1, momphases,
|
||||
"Pi_2T_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
|
||||
// Tadpole from unshifted source
|
||||
prop1 = q*q*propTad;
|
||||
prop2 = Cshift(*prop0_, nu, -1);
|
||||
tmp_vp = adj(prop2) * Cshift(prop1, mu, 1);
|
||||
tmp_vp -= Cshift(adj(prop2), mu, 1) * prop1;
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] += tmp_vp;
|
||||
|
||||
// Output if necessary
|
||||
// Output full VP if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writerD[i_p],
|
||||
"Pi_tadpole_unshifted_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Tadpole from shifted source
|
||||
prop1 = Cshift(prop1, nu, -1);
|
||||
tmp_vp = Cshift(adj(*prop0_), mu, 1) * prop1;
|
||||
tmp_vp -= adj(*prop0_) * Cshift(prop1, mu, 1);
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] += tmp_vp;
|
||||
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writerD[i_p],
|
||||
"Pi_tadpole_shifted_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Source tadpole
|
||||
prop1 = *prop0_;
|
||||
tmp_vp = adj(prop2)
|
||||
* Cshift(prop1, mu, 1)
|
||||
* (-0.5)*q*q*Anu0*Anu0;
|
||||
tmp_vp -= Cshift(adj(prop2), mu, 1)
|
||||
* prop1
|
||||
* (-0.5)*q*q*Anu0*Anu0;
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] += tmp_vp;
|
||||
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writerD[i_p],
|
||||
"Pi_sourcetadpole_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Sink tadpole
|
||||
tmp_vp = adj(prop2)
|
||||
* (-0.5)*q*q*Amu*Amu
|
||||
* Cshift(prop1, mu, 1);
|
||||
tmp_vp -= Cshift(adj(prop2), mu, 1)
|
||||
* (-0.5)*q*q*Amu*Amu
|
||||
* prop1;
|
||||
tmp_vp = 2.0*real(tmp_vp);
|
||||
vpTensor[mu][nu] += tmp_vp;
|
||||
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = tmp_vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writerD[i_p],
|
||||
"Pi_sinktadpole_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Output if necessary
|
||||
if (!par().output.empty())
|
||||
{
|
||||
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
|
||||
{
|
||||
vpPhase = vpTensor[mu][nu]*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writer[i_p],
|
||||
"Pi_"+std::to_string(mu)+"_"+std::to_string(nu),
|
||||
result);
|
||||
}
|
||||
}
|
||||
writeVP(writer, vpTensor[mu][nu], momphases,
|
||||
"Pi_"+std::to_string(mu)+"_"+std::to_string(nu));
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -506,13 +394,54 @@ void TScalarVP::execute(void)
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
delete writer[i_p];
|
||||
delete writer0[i_p];
|
||||
delete writerD[i_p];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TScalarVP::vpContraction(ScalarField &vp,
|
||||
ScalarField &prop_0_x, ScalarField &prop_nu_x,
|
||||
TComplex u_src, ScalarField &u_snk, int mu)
|
||||
{
|
||||
// Note: this function assumes a point source is used.
|
||||
vp = adj(prop_nu_x) * u_snk * Cshift(prop_0_x, mu, 1) * u_src;
|
||||
vp -= Cshift(adj(prop_nu_x), mu, 1) * adj(u_snk) * prop_0_x * u_src;
|
||||
vp = 2.0*real(vp);
|
||||
}
|
||||
|
||||
void TScalarVP::vpContraction(ScalarField &vp,
|
||||
ScalarField &prop_0_x, ScalarField &prop_nu_x,
|
||||
TComplex u_src, int mu)
|
||||
{
|
||||
// Note: this function assumes a point source is used.
|
||||
vp = adj(prop_nu_x) * Cshift(prop_0_x, mu, 1) * u_src;
|
||||
vp -= Cshift(adj(prop_nu_x), mu, 1) * prop_0_x * u_src;
|
||||
vp = 2.0*real(vp);
|
||||
}
|
||||
|
||||
void TScalarVP::writeVP(const std::vector<CorrWriter *> &writers, const ScalarField &vp,
|
||||
const std::vector<ScalarField> &momphases, std::string dsetName)
|
||||
{
|
||||
std::vector<TComplex> vecBuf;
|
||||
std::vector<Complex> result;
|
||||
ScalarField vpPhase(env().getGrid());
|
||||
|
||||
for (unsigned int i_p = 0; i_p < momphases.size(); ++i_p)
|
||||
{
|
||||
vpPhase = vp*momphases[i_p];
|
||||
sliceSum(vpPhase, vecBuf, Tp);
|
||||
result.resize(vecBuf.size());
|
||||
for (unsigned int t = 0; t < vecBuf.size(); ++t)
|
||||
{
|
||||
result[t] = TensorRemove(vecBuf[t]);
|
||||
}
|
||||
if (env().getGrid()->IsBoss())
|
||||
{
|
||||
write(*writers[i_p], dsetName, result);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TScalarVP::momD1(ScalarField &s, FFT &fft)
|
||||
{
|
||||
EmField &A = *env().getObject<EmField>(par().emField);
|
||||
|
@ -41,6 +41,20 @@ public:
|
||||
// execution
|
||||
virtual void execute(void);
|
||||
private:
|
||||
// conserved vector two-point contraction
|
||||
void vpContraction(ScalarField &vp,
|
||||
ScalarField &prop_0_x, ScalarField &prop_nu_x,
|
||||
TComplex u_src, ScalarField &u_snk, int mu);
|
||||
// conserved vector two-point contraction with unit gauge link at sink
|
||||
void vpContraction(ScalarField &vp,
|
||||
ScalarField &prop_0_x, ScalarField &prop_nu_x,
|
||||
TComplex u_src, int mu);
|
||||
// write momentum-projected vacuum polarisation to file(s)
|
||||
void writeVP(const std::vector<CorrWriter *> &writers,
|
||||
const ScalarField &vp,
|
||||
const std::vector<ScalarField> &momphases,
|
||||
std::string dsetName);
|
||||
// momentum-space Delta_1 insertion
|
||||
void momD1(ScalarField &s, FFT &fft);
|
||||
private:
|
||||
std::string freeMomPropName_, GFSrcName_,
|
||||
|
Loading…
Reference in New Issue
Block a user