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43 lines
1.2 KiB
43 lines
1.2 KiB
subroutine run_00(k,l,DetGr,f,Gtwiddle,Gtt,
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. Shat1,Shat2,S00,N0)
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implicit none
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C---Fixes D00 according to 5.42 Denner-Dittmaier
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C---knowing D0 with corrections of order Delta_3 Dii
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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
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real(dp):: DetGr,Gtwiddle(3,3),Gtt(3,3,3,3),f(3)
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complex(dp):: S00(-2:0),Shat1(3,-2:0),Shat2(3,3,-2:0),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)*Shat1(m,ep)-f(n)*f(m)*Dv(dd0+N0,ep))
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enddo
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enddo
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Dv(dd00+N0,ep)=-(
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. +DetGr*Dv(dii(z2(k,l))+N0,ep)
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. -Gtwiddle(k,l)*S00(ep)
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. -Gtwiddle(1,l)*Shat2(1,k,ep)
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. -Gtwiddle(2,l)*Shat2(2,k,ep)
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. -Gtwiddle(3,l)*Shat2(3,k,ep)
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. +Gtwiddle(k,l)*Shat2(1,1,ep)
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. +Gtwiddle(k,l)*Shat2(2,2,ep)
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. +Gtwiddle(k,l)*Shat2(3,3,ep)
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. +bit)
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. /(4d0*Gtwiddle(k,l))
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enddo
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return
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end
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