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49 lines
1.5 KiB
49 lines
1.5 KiB
subroutine run_00i(k,l,i1,DetGr,f,Gtwiddle,Gtt,
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. Shat2,Shat3,Shat3zz,S00i,N0)
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implicit none
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C---Fixes D00i according to 5.44 Denner-Dittmaier
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C---knowing Di,D00 with correction of order Delta*Diii
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include 'lib/TensorReduction/Include/types.f'
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include 'lib/TensorReduction/Include/TRconstants.f'
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include 'lib/TensorReduction/Include/pvDnames.f'
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include 'lib/TensorReduction/Include/pvDv.f'
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include 'lib/TensorReduction/recur/Include/Darraydef.f'
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include 'lib/TensorReduction/recur/Include/Darrays.f'
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integer ep,N0,k,l,n,m,i1
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real(dp):: DetGr,Gtwiddle(3,3),Gtt(3,3,3,3),
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. f(3)
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complex(dp):: S00i(3,-2:0),Shat3zz(3,-2:0),
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. Shat2(3,3,-2:0),Shat3(3,z2max,-2:0),pole,bit
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do ep=-2,0
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bit=czip
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do n=1,3
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do m=1,3
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bit=bit
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. +Gtt(k,n,l,m)*(f(n)*Shat2(m,i1,ep)
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. +2d0*delta(n,i1)*Shat3zz(m,ep)-f(n)*f(m)*Dv(di(i1)+N0,ep)
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. -2d0*(f(n)*delta(m,i1)+f(m)*delta(n,i1))*Dv(dd00+N0,ep))
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enddo
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enddo
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pole=0d0
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if (ep.ge.-1) pole=-4d0*Gtwiddle(k,l)*Dv(dzzi(i1)+N0,ep-1)
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Dv(dzzi(i1)+N0,ep)=-(
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. +pole
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. +DetGr*Dv(diii(z3(k,l,i1))+N0,ep)
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. -Gtwiddle(k,l)*S00i(i1,ep)
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. -Gtwiddle(1,l)*Shat3(1,z2(k,i1),ep)
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. -Gtwiddle(2,l)*Shat3(2,z2(k,i1),ep)
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. -Gtwiddle(3,l)*Shat3(3,z2(k,i1),ep)
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. +Gtwiddle(k,l)*(Shat3(1,z2(1,i1),ep)
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. +Shat3(2,z2(2,i1),ep)
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. +Shat3(3,z2(3,i1),ep))
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. +bit)/(8d0*Gtwiddle(k,l))
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enddo
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return
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end
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