Three-loop static potential.
We compute the three-loop corrections to the potential of two heavy quarks. In particular, we consider in this Letter the purely gluonic contribution which provides, in combination with our previous fermion corrections, the complete answer at three loops.
Smirnov
Alexander V
AV
Scientific Research Computing Center, Moscow State University, 119992 Moscow, Russia.
Smirnov
Vladimir A
VA
Steinhauser
Matthias
M